refactor: rename plugin safari-auth to native-bridge (#749)

* fix: layout tweaks for mobile

* refactor: rename plugin safari-auth to native-bridge

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/android/src/main/java/NativeBridge.kt

@@ -0,0 +1,9 @@
+package com.readest.native_bridge
+
+import android.util.Log
+
+class NativeBridge {
+    fun auth_with_safari(value: String): String {
+        return ""
+    }
+}

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/android/src/main/java/NativeBridgePlugin.kt

@@ -0,0 +1,28 @@
+package com.readest.native_bridge
+
+import android.app.Activity
+import app.tauri.annotation.Command
+import app.tauri.annotation.InvokeArg
+import app.tauri.annotation.TauriPlugin
+import app.tauri.plugin.JSObject
+import app.tauri.plugin.Plugin
+import app.tauri.plugin.Invoke
+
+@InvokeArg
+class SafariAuthRequestArgs {
+  var authUrl: String? = null
+}
+
+@TauriPlugin
+class NativeBridgePlugin(private val activity: Activity): Plugin(activity) {
+    private val implementation = NativeBridge()
+
+    @Command
+    fun auth_with_safari(invoke: Invoke) {
+        val args = invoke.parseArgs(SafariAuthRequestArgs::class.java)
+
+        val ret = JSObject()
+        ret.put("redirectUrl", implementation.auth_with_safari(args.authUrl ?: ""))
+        invoke.resolve(ret)
+    }
+}