Swapped the onboarding activity for a simple dialog

app/src/main/AndroidManifest.xml

@@ -9,10 +9,9 @@
         android:name=".Look4SatApp"
         android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
-        android:label="@string/app_name"
-        android:theme="@style/AppTheme">
+        android:label="@string/app_name">
         <activity
-            android:name=".ui.splashScreen.SplashActivity"
+            android:name=".ui.mainScreen.MainActivity"
             android:screenOrientation="portrait"
             android:theme="@style/AppTheme.Splash">
             <intent-filter>
@@ -21,9 +20,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity
-            android:name=".ui.mainScreen.MainActivity"
-            android:screenOrientation="portrait" />
     </application>
 
 </manifest>