Inherit rubocop config from discourse repo

Inherit rubocop config from discourse repo

diff --git a/.gitignore b/.gitignore
index 62422b2..5020ac3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,5 @@ _yardoc
 doc/
 
 *.swp
+
+.rubocop-https---raw-githubusercontent-com-discourse-discourse-master--rubocop-yml
diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..0ca7eff
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1 @@
+inherit_from: https://raw.githubusercontent.com/discourse/discourse/master/.rubocop.yml

GitHub
sha: 74babec1