feat: add RegisterResult component, ESLint config, and vue.config.js for project setup

- Created a new RegisterResult.vue component for displaying registration success.
- Added ESLint configuration for unit tests in the tests directory.
- Implemented vue.config.js for webpack configuration, including theme color support and proxy settings for development.

frontend_vue/.editorconfig

@@ -0,0 +1,39 @@
+[*]
+charset=utf-8
+end_of_line=lf
+insert_final_newline=false
+indent_style=space
+indent_size=2
+
+[{*.ng,*.sht,*.html,*.shtm,*.shtml,*.htm}]
+indent_style=space
+indent_size=2
+
+[{*.jhm,*.xslt,*.xul,*.rng,*.xsl,*.xsd,*.ant,*.tld,*.fxml,*.jrxml,*.xml,*.jnlp,*.wsdl}]
+indent_style=space
+indent_size=2
+
+[{.babelrc,.stylelintrc,jest.config,.eslintrc,.prettierrc,*.json,*.jsb3,*.jsb2,*.bowerrc}]
+indent_style=space
+indent_size=2
+
+[*.svg]
+indent_style=space
+indent_size=2
+
+[*.js.map]
+indent_style=space
+indent_size=2
+
+[*.less]
+indent_style=space
+indent_size=2
+
+[*.vue]
+indent_style=space
+indent_size=2
+
+[{.analysis_options,*.yml,*.yaml}]
+indent_style=space
+indent_size=2
+