chore: archive finance, mail, moodlit apps and rename voxel-lava

- Move finance, mail, moodlit to apps-archived for later development
- Rename games/voxel-lava to games/voxelava

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

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

apps-archived/mail/apps/backend/nest-cli.json

@@ -0,0 +1,10 @@
+{
+	"$schema": "https://json.schemastore.org/nest-cli",
+	"collection": "@nestjs/schematics",
+	"sourceRoot": "src",
+	"compilerOptions": {
+		"deleteOutDir": false,
+		"assets": [],
+		"watchAssets": false
+	}
+}