Fix formatting of missingLanguagePolicy section in README

Author: mshibanami

README.md

@@ -299,8 +299,8 @@ These are the settings you can specify in the config file:
 
 - **missingLanguagePolicy**: `string` (Optional, default: `skip`)
     - How to handle translations for languages that are not included in the `xcs languages` output when adding strings. Options are:
-    - `skip`: Only add translations for languages included in the `xcs languages` output. (Default)
-    - `include`: Add translations even when they are not recognized by the Xcode project or xcs language list.
+        - `skip`: Only add translations for languages included in the `xcs languages` output. (Default)
+        - `include`: Add translations even when they are not recognized by the Xcode project or xcs language list.
 - **xcodeprojPaths**: `string[]` (Optional)
     - Paths to Xcode project files (`.xcodeproj`) used to detect supported languages.
     - If not specified, `xcs` will only check the xcstrings file to detect supported languages.