Add yet more steps for enabling Crashlytics in Xcode

Author: kenstir

docs/pn-setup-guide/configure-hemlock-app.md

@@ -20,5 +20,17 @@ This guide is for the mobile app developer.
   * Click "+ Capability" and add the "Background Modes" capability, then select "Remote notifications"
   * For cleanliness, move the newly created .entitlements file (drag it in Xcode to Source/pines_app/)
   * Close Xcode, then edit the project.pbxproj to fix the relative path `CODE_SIGN_ENTITLEMENTS = Source/pines_app/PINES.entitlements;`
-* Configure Xcode to produce and upload dSYMs for Crashlytics per the [Firebase instructions](https://firebase.google.com/docs/crashlytics/get-deobfuscated-reports?platform=ios)
+* Define `USE_FCM` (or `USE_FA`) in the Build Settings of the project
+  * Under "Build Settings", find "Swift Compiler - Custom Flags"
+  * Under "Active Compilation Conditions", add "USE_FCM" for Any Architecture | Any SDK
+* Configure for DWARF with dSYM files
+  * Under "Build Settings", find "Build Options"
+  * For "Debug Information Format", choose "DWARF with dSYM files"
+* Add Firebase packages to project
+  * Under "General", find "Frameworks, Libraries, and Embedded Content"
+  * Click "+" and add projects
+    - FirebaseAnalyticsWithoutAdIdSupport
+    - FirebaseCrashlytics
+  * NB: If you don't see the package you may need to quick Xcode and maybe delete the directory `~/Library/Developer/Xcode/DerivedData`
+* Configure Xcode to produce and upload dSYMs for Crashlytics per the [Firebase instructions](https://firebase.google.com/docs/crashlytics/get-started?platform=ios#set-up-dsym-uploading)
 * Optionally enable the Firebase Console Debug View by adding `-FIRDebugEnabled` and `-FIRDebugDisabled` to your build scheme per the [Crashlytics >> Test your implementation](https://firebase.google.com/docs/crashlytics/test-implementation?platform=ios)