Sets up calendar package with core infrastructure

Adds core calendar package components including:
- Base services for events, resources, and settings
- Calendar app and orchestrator
- Build and bundling configuration
- IndexedDB storage setup

Prepares foundational architecture for calendar functionality

.claude/settings.local.json

@@ -22,7 +22,14 @@
       "Bash(node -e:*)",
       "Bash(ls:*)",
       "Bash(find:*)",
-      "WebFetch(domain:www.elegantthemes.com)"
+      "WebFetch(domain:www.elegantthemes.com)",
+      "Bash(npm publish:*)",
+      "Bash(npm init:*)",
+      "Bash(node dist/bundle.js:*)",
+      "Bash(node build.js:*)",
+      "Bash(npm ls:*)",
+      "Bash(npm view:*)",
+      "Bash(npm update:*)"
     ],
     "deny": [],
     "ask": []