Added authorisation dialog - doesn't do anything yet, which is a shame considering how much code it took!

app/src/main/AndroidManifest.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="uk.org.openseizuredetector"
     android:versionCode="70"
     android:versionName="3.2.0">
@@ -26,7 +27,8 @@
         android:icon="@drawable/star_of_life_48x48"
         android:label="@string/app_name"
         android:networkSecurityConfig="@xml/network_security_config"
-        android:theme="@style/Theme.AppCompat">
+        android:theme="@style/Theme.AppCompat"
+        >
         <activity android:name=".DBQueryActivity"></activity>
         <!-- android:usesCleartextTraffic="true" -->
         <activity android:name=".StartupActivity">