Update formatter to v0.6.0

manifest.json

@@ -521,8 +521,8 @@
       "description": "Code formatter for various languages",
       "id": "formatter",
       "mod_version": "3",
-      "remote": "https://github.com/pragtical/formatter:0c77df3b67f9eb7ffc0dcbfe9c035282e6ef0e62",
-      "version": "0.5"
+      "remote": "https://github.com/pragtical/formatter:23de184305ed3626bb02d31d06804cc0ed1d2cd5",
+      "version": "0.6.0"
     },
     {
       "description": "Opens a preview of the current markdown file in a browser window *([screenshot](https://user-images.githubusercontent.com/3920290/82754898-f7394600-9dc7-11ea-8278-2305363ed372.png))* Note: the page content is generated by sending the markdown file to Github's markdown rendering [API](https://docs.github.com/en/rest/markdown?apiVersion=2022-11-28). Requires a [GitHub token](https://docs.github.com/en/rest/markdown/markdown?apiVersion=2022-11-28#render-a-markdown-document-in-raw-mode) being provided",