chore: initial backup of Claude Code configuration

Includes: CLAUDE.md, settings.json, agents, commands, rules, skills,
hooks, contexts, evals, get-shit-done, plugin configs (installed list
and marketplace sources). Excludes credentials, runtime caches,
telemetry, session data, and plugin binary cache.

plugins/blocklist.json

@@ -0,0 +1,17 @@
+{
+  "fetchedAt": "2026-03-24T21:14:52.242Z",
+  "plugins": [
+    {
+      "plugin": "code-review@claude-plugins-official",
+      "added_at": "2026-02-11T03:16:31.424Z",
+      "reason": "just-a-test",
+      "text": "This is a test #5"
+    },
+    {
+      "plugin": "fizz@testmkt-marketplace",
+      "added_at": "2026-02-12T00:00:00.000Z",
+      "reason": "security",
+      "text": "this is a security test"
+    }
+  ]
+}