`opencode`: Update suggested models

`opencode`: Add rules for handling user-provided context in actions

`opencode`: Update communication guidelines

`opencode`: Update `GitHub` context to prioritize `gh`

`opencode`: Allow running tests without extra approval

`opencode`: Update `README.md`

`opencode`: Enhance `PR` comment resolution skill

`opencode`: Add models context

`opencode`: Change commands folder

`opencode`: Refactor agent and instructions loading

`opencode`: Update agents configuration

`opencode`: Enhance skill for resolving `PR` comments

`opencode`: Enhance `PR` comments resolving skill

`opencode`: Enhance resolve `PR` comments skill by excluding already approved reviewers when re-requesting reviews

`opencode`: Update resolve `PR` comments skill to refine `GraphQL` query and improve reaction commands