Added italian language support and fixed supported lang list

Author: MhzDev

Diff for: app/build.gradle

@@ -39,7 +39,7 @@ android {
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         // Enable just English configs for dependencies, allowing to shrink apk size more
-        resConfigs "en", "pt"
+        resConfigs "en", "pt", "es", "it"
 
         resValue "string", "ads_unit_id_banner", "\"${adsUnitId()}\""
         resValue "string", "ads_app_id", "\"${adsAppId()}\""

Diff for: app/src/main/res/values-it/strings.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <string name="ear_button_1_text">1 - Re</string>
+  <string name="ear_button_2_text">2 - Si</string>
+  <string name="ear_button_3_text">3 - Sol</string>
+  <string name="ear_button_4_text">4 - Re</string>
+</resources>