Add some dotfiles to make the project better 🍰

  - .editorconfig for those who use that
  - .eslintrc for linting

.editorconfig

+[*]
+charset=utf-8
+end_of_line=crlf
+insert_final_newline=false
+indent_style=space
+indent_size=4
+
+[{.eslintrc,.babelrc,.stylelintrc,*.json,*.jsb3,*.jsb2,*.bowerrc}]
+indent_style=space
+indent_size=2
+
+[{*.applejs,*.js}]
+indent_style=space
+indent_size=2
+
+[*.sass]
+indent_style=space
+indent_size=2
+
+[*.scss]
+indent_style=space
+indent_size=2
+
+[{.analysis_options,*.yml,*.yaml}]
+indent_style=space
+indent_size=2
+

.eslintrc

+'{"extends": ["standard", "standard-jsx"]}'