change electron build context detection, move mods package deps to main package

mods/package.json

@@ -1,16 +0,0 @@
-{
-    "name": "grid-apps-mods",
-    "version": "4.1.0",
-    "description": "grid.space app modules",
-    "author": "Stewart Allen <sa@grid.space>",
-    "repository": {
-        "type": "git",
-        "url": "https://github.com/gridspace/apps.git"
-    },
-    "dependencies": {
-        "@gridspace/basic-ftp": "^5.0.5",
-        "aedes": "^0.51.3",
-        "hexer": "^1.5.0",
-        "mqtt": "^5.10.3"
-    }
-}