Add Editorconfig

Author: hkdobrev

.editorconfig

@@ -0,0 +1,26 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+# Set default charset
+charset = utf-8
+# Unix-style newlines
+end_of_line = lf
+# newline ending every file
+insert_final_newline = true
+# 4 space indentation
+indent_style = space
+indent_size = 4
+
+# Indentation override for all JS files
+[*.js]
+indent_style = space
+indent_size = 2
+
+# Matches the exact files either package.json or .travis.yml
+[{package.json,.travis.yml}]
+indent_style = space
+indent_size = 2