Add root fragment and refactor

app/src/main/res/layout/root_fragment.xml

@@ -3,8 +3,8 @@
                 xmlns:tools="http://schemas.android.com/tools"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
-                android:focusableInTouchMode="true"
-                tools:context=".ui.MainActivity">
+                android:layout_marginTop="?attr/actionBarSize"
+                android:focusableInTouchMode="true">
 
     <TextView
         android:id="@+id/magisk_label"
@@ -120,12 +120,4 @@
         android:text="@string/selinux_toggle"
         android:textSize="20sp"/>
 
-    <Button
-        android:id="@+id/modules"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignParentBottom="true"
-        android:layout_alignParentStart="true"
-        android:text="modules activity"/>
-
 </RelativeLayout>

app/src/main/res/values/strings.xml

@@ -28,6 +28,7 @@
     <string name="log">Log</string>
     <string name="remove">Remove</string>
     <string name="disable">Disable</string>
+    <string name="no_root_access">No root access, functionality limited</string>
     <string name="remove_file_created">Module will be removed at next reboot</string>
     <string name="disable_file_created">Module will be disabled at next reboot</string>
     <string name="menuSaveToSd">Save to SD</string>