chore: added Ubuntu font to app as default

app/src/main/res/font/ubuntu.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<font-family xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <font
+        app:font="@font/ubuntu_regular"
+        app:fontStyle="normal"
+        app:fontWeight="400" />
+
+    <font
+        app:font="@font/ubuntu_regular_italic"
+        app:fontStyle="italic"
+        app:fontWeight="400" />
+
+    <font
+        app:font="@font/ubuntu_medium"
+        app:fontStyle="normal"
+        app:fontWeight="500" />
+
+    <font
+        app:font="@font/ubuntu_medium_italic"
+        app:fontStyle="italic"
+        app:fontWeight="500" />
+
+</font-family>

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

@@ -7,6 +7,7 @@
         <item name="colorPrimary">@color/colorWhite</item>
         <item name="colorPrimaryDark">@color/colorWhiteDark</item>
         <item name="android:colorBackground">@color/colorWhite</item>
+        <item name="android:fontFamily">@font/ubuntu</item>
     </style>
 
     <style name="AppDarkTheme" parent="@style/Theme.AppCompat.NoActionBar">
@@ -15,6 +16,7 @@
         <item name="colorPrimaryDark">@color/primaryDarkColor</item>
         <item name="android:colorBackground">@color/primaryDarkColor</item>
         <item name="android:colorForeground">@color/darkAccentColor</item>
+        <item name="android:fontFamily">@font/ubuntu</item>
     </style>
 
     <style name="AppGreyTheme" parent="@style/AppDarkTheme">