Merge pull request #39 from kakotor/develop

增加editorconfig文件,统一设置缩进格式

.editorconfig

@@ -0,0 +1,14 @@
+# EditorConfig: http://editorconfig.org/
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false