fastlane: add page (#5034)

pages/common/fastlane.md

@@ -0,0 +1,20 @@
+# fastlane
+
+> Build and release mobile applications from the command-line.
+> More information: <https://docs.fastlane.tools/actions/>.
+
+- Build and sign the iOS application in the current directory:
+
+`fastlane run build_app`
+
+- Run `pod install` for the project in the current directory:
+
+`fastlane run cocoapods`
+
+- Delete the derived data from Xcode:
+
+`fastlane run clear_derived_data`
+
+- Remove the cache for pods:
+
+`fastlane run clean_cocoapods_cache`