Merge pull request #229 from karma-runner/chore/update-dependencies

fix: update (dev)dependencies

Author: wswebcreation

.editorconfig

@@ -0,0 +1,18 @@
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+
+root = true
+
+[*]
+
+indent_style = space
+indent_size = 2
+
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{.travis.yml,**/*.json,.github/**/*.yml}]
+indent_size = 2