wip: adjust firebase to avoid requiring firebase-sdk when building for fdroid

src/react_native/firebase.cljc

@@ -0,0 +1,11 @@
+(ns react-native.firebase
+  (:require
+    #?@(:google-free
+          [[react-native.firebase.firebase-fdroid]]
+        :cljs
+          [[react-native.firebase.firebase-google]])))
+
+#?(:google-free
+     [(def request-remote-token react-native.firebase.firebase-fdroid/request-remote-token)]
+   :cljs
+     [(def request-remote-token react-native.firebase.firebase-google/request-remote-token)])

src/react_native/firebase/firebase_fdroid.cljs

@@ -0,0 +1,3 @@
+(ns react-native.firebase.firebase-fdroid)
+
+(defn request-remote-token [_options])

src/react_native/firebase/firebase_google.cljs

@@ -1,4 +1,4 @@
-(ns react-native.firebase
+(ns react-native.firebase.firebase-google
   (:require
     ["@react-native-firebase/messaging" :as firebase.messaging]
     [promesa.core :as promesa]))