chore: update Fastfile to publish to new distribution groups (#835)

Apps/fastlane/Fastfile

@@ -216,12 +216,15 @@ end
 
 lane :get_build_test_groups do 
   test_groups = ['all-builds'] # send all builds to group 'all-builds'. Therefore, set it here and we will not remove it. 
+  test_groups.append("feature-branch") # Feature branch will be used when a PR is merged into a feature branch. We will need to add a check for this.
   github = GitHub.new()
 
   # To avoid giving potentially unstable builds of our sample apps to certain members of the organization, we only send builds to "stable" group uncertain certain situations. 
   # If a commit is merged into main, it's considered stable because we deploy to production on merges to main. 
   if github.is_commit_pushed && github.push_branch == "main"
-    test_groups.append("stable-builds")
+    test_groups.append("stable-builds") 
+    test_groups.append("next") # Next group will depricate the 'stable` builds group'.
+    test_groups.append("public") # Temp send to public group until we actually build from the deployed SDK.
   end
 
   test_groups = test_groups.join(", ")