Add contractors by residence endpoint and Bruno API collection

- Add GET /contractors/by-residence/:residence_id/ endpoint
- Create comprehensive Bruno API collection (89 endpoints)
- Collection covers all API endpoints with Local and Dev environments

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

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

bruno-collections/casera-api/Authentication/Apple Sign In.bru

@@ -0,0 +1,20 @@
+meta {
+  name: Apple Sign In
+  type: http
+  seq: 11
+}
+
+post {
+  url: {{api_url}}/auth/apple-sign-in/
+  body: json
+  auth: none
+}
+
+body:json {
+  {
+    "identity_token": "eyJhbG...",
+    "authorization_code": "code...",
+    "first_name": "John",
+    "last_name": "Doe"
+  }
+}