Add CI script to check format

.github/workflows/ci.yml

@@ -0,0 +1,17 @@
+name: CI
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '0 8 * * 6'
+jobs:
+  fmt:
+    name: Format
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2'
+      - run: gem install rufo
+      - run: rufo -c .

proof-html.rb

@@ -1,12 +1,12 @@
-require 'html-proofer'
-require 'json'
-require 'uri'
+require "html-proofer"
+require "json"
+require "uri"
 
 CHROME_FROZEN_UA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.0.0 Safari/537.36"
 
 def get_bool(name, fallback)
   s = ENV["INPUT_#{name}"]
-  return fallback if s.nil? or s == ''
+  return fallback if s.nil? or s == ""
   case s
   when /^t/i # matches "t", "true", "True"
     true
@@ -21,7 +21,7 @@ def get_bool(name, fallback)
 
 def get_int(name, fallback)
   s = ENV["INPUT_#{name}"]
-  return fallback if s.nil? or s == ''
+  return fallback if s.nil? or s == ""
   s.to_i
 end
 
@@ -67,7 +67,7 @@ def get_str(name)
     uri = URI.parse request.url
     base = "#{uri.scheme}://#{uri.host}"
     token = tokens[base]
-    request.options[:headers]['Authorization'] = "Bearer #{token}" unless token.nil?
+    request.options[:headers]["Authorization"] = "Bearer #{token}" unless token.nil?
   end
   proofer.run
 rescue => msg