Change protobuf indent size to 2 spaces

Author: nurous

configs/codestyles/Square.xml

@@ -245,6 +245,13 @@
     <option name="FIELD_ANNOTATION_WRAP" value="1" />
     <option name="PARENT_SETTINGS_INSTALLED" value="true" />
   </codeStyleSettings>
+  <codeStyleSettings language="PROTO">
+    <indentOptions>
+      <option name="INDENT_SIZE" value="2" />
+      <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      <option name="TAB_SIZE" value="2" />
+    </indentOptions>
+  </codeStyleSettings>
   <codeStyleSettings language="SQL">
     <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
     <option name="PARENT_SETTINGS_INSTALLED" value="true" />