Update rubocop config

.github/workflows/rubocop.yml

@@ -9,5 +9,7 @@ jobs:
       - uses: actions/checkout@v1
       - name: RuboCop Linter
         uses: andrewmcodes/rubocop-linter-action@v3.3.0
+        with:
+          action_config_path: ".rubocop.yml"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.rubocop.yml

@@ -0,0 +1,10 @@
+# The behavior of RuboCop can be controlled via the .rubocop.yml
+# configuration file. It makes it possible to enable/disable
+# certain cops (checks) and to alter their behavior if they accept
+# any parameters. The file can be placed either in your home
+# directory or in some project directory.
+#
+# RuboCop will start looking for the configuration file in the directory
+# where the inspected file is and continue its way up to the root directory.
+#
+# See https://docs.rubocop.org/rubocop/configuration