Added editorconfig

Author: apragacz

.editorconfig

@@ -0,0 +1,31 @@
+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+indent_style = space
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{py,sh}]
+indent_style = space
+indent_size = 4
+
+[*.{html,js,jsx,css}]
+indent_style = space
+indent_size = 2
+
+[*.{json,yml}]
+indent_style = space
+indent_size = 2
+
+[*.{md,rst}]
+indent_style = space
+indent_size = 4
+
+[Makefile]
+indent_style = tab