Use manager from NPM

Author: Drarig29

package.json

@@ -35,7 +35,7 @@
     ],
     "homepage": "https://github.com/Drarig29/brackets-viewer.js#readme",
     "dependencies": {
-        "brackets-manager": "github:Drarig29/brackets-manager.js",
+        "brackets-manager": "^1.3.9",
         "brackets-memory-db": "^0.1.0",
         "brackets-model": "^1.3.8",
         "i18next": "^20.6.1",