A manifest file is required at project root folder, named either ‘manifest.webapp’ for packaged apps or ‘manifest.json’ for add-ons.
Ní mór lastliosta a bheith i bhfréamhfhillteán an tionscadail, darb ainm ‘manifest.webapp’ más aip phacáistithe é, nó ‘manifest.json’ más breiseán é.