Added editorconfig file

Author: tboerger

.editorconfig

@@ -0,0 +1,28 @@
+# http://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.go]
+indent_style = tab
+indent_size = 8
+
+[*.tmpl]
+indent_style = tab
+indent_size = 2
+
+[Makefile]
+indent_style = tab
+
+[*.{less,yml}]
+indent_style = space
+indent_size = 2
+
+[*.js]
+indent_style = space
+indent_size = 4