### Version info <!-- What versions of the following libraries are you using? Note that your issue may already be fixed in the latest versions. --> **Angular:** 12.0 **Firebase:** 9.6.1 **AngularFire:** 6.1.4 **Other (e.g. Ionic/Cordova, Node, browser, operating system):** NA ### How to reproduce these conditions **Steps to set up and reproduce** ``` npx @angular/cli new my-app cd my-app ng add @angular/fire # init project and select hosting ng deploy ``` A firebase hosting cache file will be created, something like `hosting.sdf83k.cache` in the `.firebase` folder. ### Expected behavior I wish this file (or folder) was automatically added to my .gitignore ### Actual behavior I am dumb so I accidentally check it into my repository.