feat(migration): implement interactive mapping resolution workflow

- Add SQLite database integration for environments and mappings
- Update TaskManager to support pausing tasks (AWAITING_MAPPING)
- Modify MigrationPlugin to detect missing mappings and wait for resolution
- Add frontend UI for handling missing mappings interactively
- Create dedicated migration routes and API endpoints
- Update .gitignore and project documentation

frontend/.svelte-kit/generated/client/app.js

@@ -4,14 +4,18 @@ export const nodes = [
 	() => import('./nodes/0'),
 	() => import('./nodes/1'),
 	() => import('./nodes/2'),
-	() => import('./nodes/3')
+	() => import('./nodes/3'),
+	() => import('./nodes/4'),
+	() => import('./nodes/5')
 ];
 
 export const server_loads = [];
 
 export const dictionary = {
 		"/": [2],
-		"/settings": [3]
+		"/migration": [3],
+		"/migration/mappings": [4],
+		"/settings": [5]
 	};
 
 export const hooks = {