Add comprehensive documentation for CLAUDE and Nostr WebSocket skills

- Introduced CLAUDE.md to provide guidance for working with the Claude Code repository, including project overview, build commands, testing guidelines, and performance considerations.
- Added INDEX.md for a structured overview of the strfry WebSocket implementation analysis, detailing document contents and usage.
- Created SKILL.md for the nostr-websocket skill, covering WebSocket protocol fundamentals, connection management, and performance optimization techniques.
- Included multiple reference documents for Go, C++, and Rust implementations of WebSocket patterns, enhancing the knowledge base for developers.
- Updated deployment and build documentation to reflect new multi-platform capabilities and pure Go build processes.
- Bumped version to reflect the addition of extensive documentation and resources for developers working with Nostr relays and WebSocket connections.

.claude/settings.local.json

@@ -0,0 +1,12 @@
+{
+  "permissions": {
+    "allow": [
+      "Skill(skill-creator)",
+      "Bash(cat:*)",
+      "Bash(python3:*)",
+      "Bash(find:*)"
+    ],
+    "deny": [],
+    "ask": []
+  }
+}