feat: add tool command

[b4nst]

This PR adds the ayo tool command, to help troubleshooting tools.

Usage: ayo tool [<tools> ...] [flags]

Get information about a tool

Arguments:
  [<tools> ...]    Filename of the tool to get information about. If empty, all tools from the toolbox are listed.

Flags:
  -h, --help                               Show context-sensitive help.
  -v, --verbose                            Enable verbose mode.
      --log-format="pretty"                Log format to use.
      --toolbox="~/.config/ayo/toolbox"    The directory to load tools from ($AYO_TOOLBOX)

[github-actions]

Merging this branch will not change overall coverage

Impacted Packages	Coverage Δ	🤖
github.com/b4nst/ayo/cmd/ayo	0.00% (ø)
github.com/b4nst/ayo/pkg/tool	0.00% (ø)

---

Coverage by file

Changed files (no unit tests)

Changed File	Coverage Δ	Total	Covered	Missed	🤖
github.com/b4nst/ayo/cmd/ayo/chat.go	0.00% (ø)	0	0	0
github.com/b4nst/ayo/cmd/ayo/main.go	0.00% (ø)	0	0	0
github.com/b4nst/ayo/cmd/ayo/tool.go	0.00% (ø)	0	0	0
github.com/b4nst/ayo/pkg/tool/tool.go	0.00% (ø)	0	0	0

Please note that the "Total", "Covered", and "Missed" counts above refer to code statements instead of lines of code. The value in brackets refers to the test coverage of that file in the old version of the code.

Changed unit test files

• github.com/b4nst/ayo/pkg/tool/tool_test.go