fix: Fixed commit format verification prompt for Windows users (#561)

* fix: Fixed commit format verification prompt for Windows users

* feat: Support using a proxy to access the signing API

* fix: revert changes

* fix: Fixed commit format verification prompt for Windows users

* fix: Fixed commit format verification prompt for Windows users

CONTRIBUTING.md

@@ -159,11 +159,6 @@ If you want to use scopes then it would look more like:
 The commit message formatting described above is automatically enforced
 each time you commit to your work branch to make continuous integration smoother.
 
-**If you're on Windows**, the commit message verification currently doesn't
-work (sorry!). You will need to commit to your branch using this command:
-
-    git commit --no-verify
-
 ## Creating a release
 
 To release a new version of `web-ext`, follow these steps:

package.json

@@ -86,7 +86,7 @@
     "eslint-plugin-flowtype": "2.20.0",
     "firefox-client": "0.3.0",
     "flow-bin": "0.33.0",
-    "git-hooks": "1.1.1",
+    "git-hooks-win": "1.1.11",
     "grunt": "1.0.1",
     "grunt-contrib-clean": "1.0.0",
     "grunt-contrib-copy": "1.0.0",