Introduce Pallet `paged-list` (#14120)

* Prototype StoragePagedList

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add drain

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Remove stale docs

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add fuzzer tests

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Review

Co-authored-by: Koute <koute@users.noreply.github.com>

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fmt

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Docs and clippy

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Sum docs

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Cleanup

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Undo WIP

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add pallet-paged-list

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Move code to pallet

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Move fuzzer

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Cleanup

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fmt

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* docs

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Rename Appendix -> Appender

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Rename clear -> delete

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Feature gate testing stuff

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Docs review

Co-authored-by: Koute <koute@users.noreply.github.com>

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Cleanup

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* doc review

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Review renames

Co-authored-by: Koute <koute@users.noreply.github.com>

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add docs

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix fuzzer

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Docs + examples

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Remove hasher

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Remove empty Event and Call

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Remove MaxPages

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix docs

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Test eager page removal

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Cleanup

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/paged-list/src/paged_list.rs

Co-authored-by: Koute <koute@users.noreply.github.com>

* Fix docs

Co-authored-by: Koute <koute@users.noreply.github.com>

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Remove as_*_vec

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update versions

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Rename ValuesPerPage -> ValuesPerNewPage

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update lockfile

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix mock

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Koute <koute@users.noreply.github.com>
Co-authored-by: parity-processbot <>