v0.5.0: Diamond IPC contracts

This PR includes several bug fixes and implements the integration of the agent with the new diamond architecture of the IPC Solidity contracts introduced in v.0.2.0. This release of the agent includes breaking changes, and it won't be compatible with versions of the IPC Solidity contracts < v0.2.0.

What's Changed

• add support for wallet remove and fevm balance list by @adlrocha in #259
• Support for EIP1559 txs in send_value by @adlrocha in #261
• remove confidence wait for StateWait in Lotus by @adlrocha in #262
• Refactor top down by @cryptoAtwill in #258
• Refactor bottom up by @cryptoAtwill in #256
• Update solidity quickstart docs by @jsoares in #257
• fix retries to support calibration by @adlrocha in #268
• Add action to check and fix PR targets by @jsoares in #269
• Implement list subnet by @cryptoAtwill in #267
• Integrate diamond by @cryptoAtwill in #266
• Fix quickstart wallet configuration by @jsoares in #270
• Add quickstart step for peering by @jsoares in #273
• Adjust scripts/docs for lotus main as default by @jsoares in #275
• Add issue template by @jsoares in #274
• Add auto complete by @cryptoAtwill in #201
• Integrate messager facet by @cryptoAtwill in #279
• Replace default config with calibration by @jsoares in #278
• Docs: Move to calibration as default by @jsoares in #280

Full Changelog: v0.4.0...v0.5.0