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/Tasks/Archive Task.bru

@@ -0,0 +1,19 @@
+meta {
+  name: Archive Task
+  type: http
+  seq: 10
+}
+
+post {
+  url: {{api_url}}/tasks/:id/archive/
+  body: none
+  auth: none
+}
+
+headers {
+  Authorization: Token {{auth_token}}
+}
+
+params:path {
+  id: 1
+}