SplashFragment: Add menu button to about fragment

Instead of showing version below login buttons (that for some reason has never been shown),
link about fragment in the menu button which provides more information.

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/store/view/ui/splash/SplashFragment.kt

@@ -79,6 +79,8 @@ class SplashFragment : Fragment(R.layout.fragment_splash) {
                     R.id.menu_settings -> {
                         findNavController().navigate(R.id.settingsFragment)
                     }
+
+                    R.id.menu_about -> findNavController().navigate(R.id.aboutFragment)
                 }
                 true
             }

app/src/main/res/layout-land/fragment_splash.xml

@@ -117,15 +117,6 @@
                 android:layout_height="wrap_content"
                 app:btnStateIcon="@drawable/ic_anonymous"
                 app:btnStateText="@string/account_anonymous_insecure" />
-
-            <com.google.android.material.textview.MaterialTextView
-                android:id="@+id/txt_footer"
-                style="@style/AuroraTextStyle.Line3"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="@dimen/margin_small"
-                android:textAlignment="center"
-                tools:text="Version 4.0.1" />
         </LinearLayout>
     </LinearLayout>
 </LinearLayout>

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

@@ -111,14 +111,5 @@
             android:visibility="gone"
             app:btnStateIcon="@drawable/ic_anonymous"
             app:btnStateText="@string/account_anonymous_insecure" />
-
-        <com.google.android.material.textview.MaterialTextView
-            android:id="@+id/txt_footer"
-            style="@style/AuroraTextStyle.Line3"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/margin_small"
-            android:textAlignment="center"
-            tools:text="Version 4.0.1" />
     </LinearLayout>
 </LinearLayout>

app/src/main/res/menu/menu_splash.xml

@@ -33,4 +33,9 @@
         android:id="@+id/menu_settings"
         android:icon="@drawable/ic_menu_settings"
         android:title="@string/title_settings" />
+
+    <item
+        android:id="@+id/menu_about"
+        android:icon="@drawable/ic_menu_about"
+        android:title="@string/title_about" />
 </menu>