* Refactoring dapps to support API endpoints.

* Using ContentHandler for unauthorized requests

* Avoid removing transactions when trying to confirm and the password is invalid

* Fix order

* apps list to separate module

* Preparing to support serving files from disk

* Serving files from disk

* Using dapps path from CLI

* Adding more docs

* Splitting methods requiring signing into separate trait

* Single place where RPC apis are created.

* Separating eth_filter

* Separating eth_signing

* Stubs for Personal Signer methods

* Test for EthSigningQueueClient

* TransactionConfirmation API

* Exposing PersonalSigner API

* Defining ApiSets dependent on context

* Removing types

* Fixing default impl

* Fixing un-mocked tests

* Update signing_queue.rs

[ci skip]

* Removing unused import [ci skip]

* Basic signing queue

* Adding docs

* WebSockets server for signer

* Removing TODO

* Shortening the syntax

* Exposing types from RPC

* Fixing indentation

* Update main.rs

* Renaming dapps repos. Updating dapps

* Skipping legacy options for compatibility. Fixing tabs

* Fixing CLI options