Initial Claude Code user configuration

Includes:
- Global CLAUDE.md instructions
- User settings and permissions (settings.json)
- Plugin configuration
- Skills as submodules: claude-skill-git-gitea, docker-service-architecture

plugins/installed_plugins.json

@@ -0,0 +1,27 @@
+{
+  "version": 2,
+  "plugins": {
+    "superpowers@superpowers-marketplace": [
+      {
+        "scope": "user",
+        "installPath": "/home/bill/.claude/plugins/cache/superpowers-marketplace/superpowers/4.0.0",
+        "version": "4.0.0",
+        "installedAt": "2025-11-23T20:31:21.915Z",
+        "lastUpdated": "2025-12-21T16:54:24.259Z",
+        "gitCommitSha": "84283dfc058f61b8985e07d20eb6838a6e7388fe",
+        "isLocal": false
+      }
+    ],
+    "frontend-design@claude-code-plugins": [
+      {
+        "scope": "user",
+        "installPath": "/home/bill/.claude/plugins/cache/claude-code-plugins/frontend-design/1.0.0",
+        "version": "1.0.0",
+        "installedAt": "2025-11-24T21:24:25.872Z",
+        "lastUpdated": "2025-11-24T21:24:25.872Z",
+        "gitCommitSha": "5880baedc387d8bad189b4c778f69477e88feb7f",
+        "isLocal": true
+      }
+    ]
+  }
+}