feat: v0.3.0d — add PR checks, iostreams, aliases, and broad enhancements

Add PR checks command, iostreams/text packages for colored table output,
top-level run/workflow aliases matching gh CLI structure. Enhance actions,
issues, PRs, releases, repos, labels, milestones, and wiki commands with
improved flags, JSON output, and error handling.

README.md

@@ -279,6 +279,11 @@ fgj repo edit owner/repo --public
 fgj repo edit owner/repo --private
 fgj repo edit owner/repo -d "New description" --homepage https://example.com
 fgj repo edit --default-branch develop
+fgj repo edit owner/repo --name new-name
+
+# Rename a repository (shorthand)
+fgj repo rename new-name
+fgj repo rename new-name -R owner/old-name
 ```
 
 ### Releases
@@ -532,7 +537,7 @@ Contributions are welcome! Please feel free to submit a Pull Request at [forgejo
 - `pr checks`, `pr ready/draft`
 - `issue reopen`, `issue assign`
 - `release edit`, `release download`, `release generate-notes`
-- `repo delete`, `repo rename`
+- `repo delete`
 
 We welcome contributions to implement any of these features!