Use Unlicense for templates (#4628)

Addresses
[this](https://github.com/paritytech/polkadot-sdk/issues/3155#issuecomment-2134411391).

templates/minimal/Cargo.toml

@@ -2,7 +2,7 @@
 name = "minimal-template"
 description = "A minimal template built with Substrate, part of Polkadot Sdk."
 version = "0.0.0"
-license = "MIT-0"
+license = "Unlicense"
 authors.workspace = true
 homepage.workspace = true
 repository.workspace = true

templates/minimal/LICENSE

+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <http://unlicense.org>

templates/minimal/node/Cargo.toml

@@ -2,7 +2,7 @@
 name = "minimal-template-node"
 description = "A minimal Substrate-based Substrate node, ready for hacking."
 version = "0.0.0"
-license = "MIT-0"
+license = "Unlicense"
 authors.workspace = true
 homepage.workspace = true
 repository.workspace = true

templates/minimal/pallets/template/Cargo.toml

@@ -2,7 +2,7 @@
 name = "pallet-minimal-template"
 description = "A minimal pallet built with FRAME, part of Polkadot Sdk."
 version = "0.0.0"
-license = "MIT-0"
+license = "Unlicense"
 authors.workspace = true
 homepage.workspace = true
 repository.workspace = true

templates/minimal/runtime/Cargo.toml

@@ -2,7 +2,7 @@
 name = "minimal-template-runtime"
 description = "A solochain runtime template built with Substrate, part of Polkadot Sdk."
 version = "0.0.0"
-license = "MIT-0"
+license = "Unlicense"
 authors.workspace = true
 homepage.workspace = true
 repository.workspace = true

templates/parachain/node/Cargo.toml

@@ -2,7 +2,7 @@
 name = "parachain-template-node"
 description = "A parachain node template built with Substrate and Cumulus, part of Polkadot Sdk."
 version = "0.0.0"
-license = "MIT-0"
+license = "Unlicense"
 authors.workspace = true
 homepage.workspace = true
 repository.workspace = true

templates/parachain/pallets/template/Cargo.toml

@@ -2,7 +2,7 @@
 name = "pallet-parachain-template"
 description = "FRAME pallet template for defining custom runtime logic."
 version = "0.0.0"
-license = "MIT-0"
+license = "Unlicense"
 authors.workspace = true
 homepage.workspace = true
 repository.workspace = true

templates/parachain/runtime/Cargo.toml

@@ -2,7 +2,7 @@
 name = "parachain-template-runtime"
 description = "A parachain runtime template built with Substrate and Cumulus, part of Polkadot Sdk."
 version = "0.0.0"
-license = "MIT-0"
+license = "Unlicense"
 authors.workspace = true
 homepage.workspace = true
 repository.workspace = true

templates/solochain/LICENSE

-MIT No Attribution
+This is free and unencumbered software released into the public domain.
 
-Copyright Parity Technologies (UK) Ltd.
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
 
-Permission is hereby granted, free of charge, to any person obtaining a copy of this
-software and associated documentation files (the "Software"), to deal in the Software
-without restriction, including without limitation the rights to use, copy, modify,
-merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so.
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
-INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
-PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <http://unlicense.org>

templates/solochain/node/Cargo.toml

@@ -2,7 +2,7 @@
 name = "solochain-template-node"
 description = "A solochain node template built with Substrate, part of Polkadot Sdk."
 version = "0.0.0"
-license = "MIT-0"
+license = "Unlicense"
 authors.workspace = true
 homepage.workspace = true
 repository.workspace = true

templates/solochain/pallets/template/Cargo.toml

@@ -2,7 +2,7 @@
 name = "pallet-template"
 description = "FRAME pallet template for defining custom runtime logic."
 version = "0.0.0"
-license = "MIT-0"
+license = "Unlicense"
 authors.workspace = true
 homepage.workspace = true
 repository.workspace = true

templates/solochain/runtime/Cargo.toml

@@ -2,7 +2,7 @@
 name = "solochain-template-runtime"
 description = "A solochain runtime template built with Substrate, part of Polkadot Sdk."
 version = "0.0.0"
-license = "MIT-0"
+license = "Unlicense"
 authors.workspace = true
 homepage.workspace = true
 repository.workspace = true