[add] editorconfig

.editorconfig

@@ -0,0 +1,39 @@
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+# Matches multiple files with brace expansion notation
+# Set default charset
+[*.{js,py}]
+charset = utf-8
+
+# 4 space indentation
+[*.py]
+indent_style = space
+indent_size = 4
+
+[*.html]
+indent_style = space
+indent_size = 2
+
+[*.js]
+indent_style = space
+indent_size = 2
+
+[*.jsx]
+indent_style = space
+indent_size = 2
+
+[*.styl]
+indent_style = space
+indent_size = 2
+
+# Tab indentation (no size specified)
+[Makefile]
+indent_style = tab
+indent_size = 4
+
+# Matches the exact files either package.json or .travis.yml
+[{package.json,.travis.yml}]
+indent_style = space
+indent_size = 2