Restructure docs and simplify README

- Rewrite main README as project intro + info pointers
- Keep skills table focused on current 2 skills
- Add docs/README.md index with links to skill docs
- Add detailed docs for gitea-api and web-automation

docs/gitea-api.md

@@ -0,0 +1,36 @@
+# gitea-api
+
+Use Gitea via REST API without relying on the `tea` CLI.
+
+## What this skill is for
+
+- Create/list repositories
+- Create/list/update issues
+- Work with pull requests and releases
+- Manage branches and user/repo metadata
+
+## Setup
+
+Create:
+
+`~/.clawdbot/credentials/gitea/config.json`
+
+```json
+{
+  "url": "https://git.fiorinis.com",
+  "token": "your-personal-access-token"
+}
+```
+
+## Wrapper
+
+You can use the helper script:
+
+```bash
+bash skills/gitea-api/scripts/gitea.sh <command>
+```
+
+## Notes
+
+- Works against any Gitea instance with a valid token.
+- This skill is API-first and does not require `tea`.