feat(db): add portable DB port and adapters (browser/server); fix TS typings in browser adapter; chore(gitignore): avoid ignoring src/lib/db

Author: gary149

.gitignore

@@ -12,6 +12,8 @@ SECRET_CONFIG
 !.env.ci
 !.env
 gcp-*.json
-db
+# Only ignore the top-level database folder used by local Mongo storage
+/db
+packages/**/db
 models/*
-!models/add-your-models-here.txt
+!models/add-your-models-here.txt

package-lock.json

@@ -74,6 +74,7 @@
 		"@resvg/resvg-js": "^2.6.2",
 		"autoprefixer": "^10.4.14",
 		"date-fns": "^2.29.3",
+		"dexie": "^4.0.8",
 		"dotenv": "^16.5.0",
 		"file-type": "^21.0.0",
 		"handlebars": "^4.7.8",