Open-aea

AEA:
- Extracts package manager implementation into core module
- Extends the package manager implementation to introduce separation between development and third party packages
- Extends aea packages lock command to work with new `packages.json` format
- Extends aea packages sync command with `--dev`, `--third-party`, `--all` flags to specify what packages to sync avoid updating hashes for third party packages
- Updates the `check-packages` command to make sure we skip `open-aea` when generating list for third party packages in package dependency check
- Adds proper exception handling on `aea fetch` command for bad packages

Chores:
- Updates dependencies in Dockerfile for documentation

AEA:
- Updates the cert request serialisation process to maintain consistency across different operating systems
- Updates the `get_or_create_cli_config` method to return default config instead of creating one
- Introduces the `copy_class` utility function for testing different setup configurations
- Updates the overridable policies for the configuration classes

Packages:
- Removes the unwanted autonomy dependency from the ledger connection

Tests:
- Updates the cli config fixture to retain user config
- Fixes outbox check test
- Adds test coverage for
- `aea/cli`
- `aea/configurations`
- `aea/helpers`
- `aea/test_tools`
- `aea/manager`

Docs:
- Adds documentation on the usage of component overrides

Chores:
- Adds a script to automatically generate a package table for the docs
- Introduces the usage of `tomte` to maintain third party dependency version consistency
- Updates the script to check the broken links to use parallelization

AEA:
- Updates `aea scaffold contract` to include contract ABIs

Packages:
- Adds support for running local ACN nodes
- Converts `ledger` and `http_client` connections and `http`, `ledger_api` and `contract_api` protocols to valory packages and syncs them with `open-autonomy` versions of the same packages
- Extends `ledger` connection to automatically handle contract calls to methods not implemented in the contract package, redirecting them to a default contract method.

Plugins:
- Introduces test tools module for IPFS cli plugin

Tests:
- Fixes flaky timeout tests
- Fixes flaky `DHT (ACN/Libp2p)` tests on windows
- Introduces test for assessing robustness of the ACN setup without agents

Docs:
- Adds a guide on implementing contract packages

AEA:
- Ensures author and year in copyright headers are updated in scaffolded components
- Updates `check-packages`
- to check the presence of the constant `PUBLIC_ID` for connections and skills.
- to validate author
- Fixes CLI help message for `aea config set` command
- Extends test command to support consistency check skips and to run tests for a specific author
- Adds proper exception raising and error handling
- Exception handling when downloading from IPFS nodes
- Better error message when the `--aev` flag is not provided
- Fixes file sorting to maintain consistency of links on `PBNode` object on `IPFSHashOnly` tool

Plugins:
- Updates the IPFS plugin to make make sure we don't use the local IPFS node unless explicitly specified

Packages:
- Ports `libp2p` connection packages tests
- Ports `p2p_libp2p_mailbox` tests
- Ports `p2p_libp2p_client` tests
- Ports `p2p_libp2p` tests
- Introduces `test_libp2p` connection package to test `libp2p` integration

Chores:
- Fixes docstring formatting to make sure doc generator works fine
- Updated `check_ipfs_hashes.py` script to use `packages.json` instead of `hashes.csv`
- Updates the command regex to align with the latest version

AEA:
- Updates the `aea init` command to set the local as default registry and IPFS as default remote registry
- Updates the `aea test packages` to include the agent tests
- Introduces
- `aea packages` command group to manage local packages repository
- `aea packages lock` command to lock all available packages and create `packages.json` file
- `aea packages sync` command to synchronize the local packages repository

Chores:
- Fix README header link
- Removes `shebangs` from non-script files
- Adds a command validator for docs and Makefile
- Deprecates the usage of `hashes.csv` to maintain packages consistency

Tests:
- Fixes test failures introduced on `v1.18.0`

AEA:
- Reverts a problematic package loading logic introduced in `1.18.0`

Tests:
- Fixes flaky tests

Chores:
- Restructures CI to avoid environment cross-effects between the package and framework tests