Fix missing surface_container color resource

Author: risunCode

app/src/main/res/values-night/colors.xml

@@ -14,6 +14,7 @@
 
     <color name="background">#121212</color>
     <color name="surface">#1E1E1E</color>
+    <color name="surface_container">#2D2D2D</color>
     <color name="on_surface">#E0E0E0</color>
     <color name="on_surface_secondary">#9E9E9E</color>
     <color name="outline">#424242</color>

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

@@ -13,6 +13,7 @@
 
     <color name="background">#FAFAFA</color>
     <color name="surface">#FFFFFF</color>
+    <color name="surface_container">#F5F5F5</color>
     <color name="on_surface">#212121</color>
     <color name="on_surface_secondary">#757575</color>
     <color name="outline">#E0E0E0</color>