build: add .editorconfig

.editorconfig

@@ -0,0 +1,29 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = crlf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+max_line_length = 120
+tab_width = 4
+trim_trailing_whitespace = true
+
+[{*.ats, *.ts}]
+indent_size = 2
+tab_width = 2
+
+[{*.cjs, *.js}]
+indent_size = 2
+tab_width = 2
+
+[{*.gradle.kts, *.kts, *.kt}]
+indent_size = 2
+tab_width = 2
+
+[{*.yml, *.yaml}]
+indent_size = 2
+
+[{.eslintrc, bowerrc, .prettierrc, .releaserc, jest.config, .stylelintrc, .babelrc, *.jsb3, *.jsb2, *.json}]
+indent_size = 2