Add Claude Code skills for web frontend frameworks

- Add Svelte 3/4 skill covering components, reactivity, stores, lifecycle
- Add Rollup skill covering configuration, plugins, code splitting
- Add nostr-tools skill covering event creation, signing, relay communication
- Add applesauce-core skill covering event stores, reactive queries
- Add applesauce-signers skill covering NIP-07/NIP-46 signing abstractions
- Update .gitignore to include .claude/** directory

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude/settings.local.json

@@ -15,7 +15,10 @@
       "Bash(./scripts/test.sh:*)",
       "Bash(./scripts/update-embedded-web.sh:*)",
       "Bash(bun run build:*)",
-      "Bash(bun update:*)"
+      "Bash(bun update:*)",
+      "Bash(cat:*)",
+      "Bash(git add:*)",
+      "Bash(git commit:*)"
     ],
     "deny": [],
     "ask": []