Add AI parsing capabilities for debt information and update database schema

- Implemented AI-powered parsing for debt emails using Google's Gemini model.
- Enhanced Postmark webhook to extract debt details including amount, vendor, description, due date, and legitimacy.
- Updated database schema to include new columns for AI-extracted data.
- Added environment variable requirements and updated package dependencies.
- Created migration script for new database columns and indexes.

.gitignore

@@ -22,3 +22,7 @@ pnpm-debug.log*
 
 # jetbrains setting folder
 .idea/
+
+# supabase files
+supabase/.branches
+supabase/.temp