ui: enable rounded covers by default

Not removing the setting, round covers just seems to be more popular.

README.md

@@ -61,7 +61,7 @@ precise/original dates, sort tags, and more
 - Headset autoplay
 - Stylish widgets that automatically adapt to their size
 - Completely private and offline
-- No rounded album covers (by default)
+- No rounded album covers (if you want them)
 
 ## Permissions
 

app/src/main/java/org/oxycblt/auxio/ui/UISettings.kt

@@ -72,7 +72,7 @@ class UISettingsImpl @Inject constructor(@ApplicationContext context: Context) :
         }
 
     override val roundMode: Boolean
-        get() = sharedPreferences.getBoolean(getString(R.string.set_key_round_mode), false)
+        get() = sharedPreferences.getBoolean(getString(R.string.set_key_round_mode), true)
 
     override fun migrate() {
         if (sharedPreferences.contains(OLD_KEY_ACCENT3)) {