feat(i18n): 添加社区版快速部署的翻译和配置表单逻辑

在i18n文件中添加了社区版快速部署的翻译文本，并在配置表单中根据版本类型动态调整按钮文本和链接。同时，在提交表单前处理backendUrl末尾的斜杠，确保URL格式正确

Author: rqaefaqa

src/i18n/en.json

@@ -56,6 +56,7 @@
   "form.config.version.community": "Community Version",
   "form.config.version.enterprise": "Enterprise Version",
   "form.config.joinPawSQL": "Join PawSQL",
+  "form.config.joinPawSQL.community": "Deploy Community Edition in 5 mins",
   "form.config.description": "PawSQL VSCode helps you to optimize your SQL quries directly within VSCode enviroment. PawSQL provides sophisticated SQL optimization features including smart index recommendations and query rewrites. More about PawSQL, please visit ",
   "form.config.documentation.link": "docs.pawsql.com",
   "form.config.save": "Save",

src/i18n/zh-cn.json

@@ -57,6 +57,7 @@
   "form.config.version.community": "PawSQL 社区版",
   "form.config.version.enterprise": "PawSQL 企业版",
   "form.config.joinPawSQL": "加入PawSQL",
+  "form.config.joinPawSQL.community": "5分钟快速部署社区版",
   "form.config.description": "PawSQL Client 让开发者能够在VSCode开发环境中直接使用PawSQL优化引擎的强大功能，包括智能索引推荐、查询重写建议、自动化性能验证等。想要了解更多关于PawSQL的优化能力，请参考",
   "form.config.documentation.link": "PawSQL官方文档",
   "form.config.save": "保存",

src/webview/components/ConfigForm.tsx

@@ -68,7 +68,13 @@ const ConfigForm: React.FC<ConfigFormProps> = ({
     event.preventDefault();
     setLoading(true);
     setInitFlag(true);
-    await onSubmit(formState);
+    // 在提交前处理 backendUrl 末尾的斜杠
+    const submittingFormState = {
+      ...formState,
+      backendUrl: formState.backendUrl.replace(/\/+$/, ""),
+    };
+
+    await onSubmit(submittingFormState);
   };
   useEffect(() => {
     if (initFlag) {
@@ -264,7 +270,13 @@ const ConfigForm: React.FC<ConfigFormProps> = ({
         <Button
           variant="outlined"
           fullWidth
-          onClick={() => openExternalLink("https://www.pawsql.com/signup")}
+          onClick={() =>
+            openExternalLink(
+              formState.version === "community"
+                ? "https://pawsql.com/community"
+                : "https://www.pawsql.com"
+            )
+          }
           sx={{
             height: "48px",
             fontSize: "16px",
@@ -278,7 +290,11 @@ const ConfigForm: React.FC<ConfigFormProps> = ({
             transition: "all 0.3s ease",
           }}
         >
-          <FormattedMessage id="form.config.joinPawSQL" />
+          {formState.version === "community" ? (
+            <FormattedMessage id="form.config.joinPawSQL.community" />
+          ) : (
+            <FormattedMessage id="form.config.joinPawSQL" />
+          )}
         </Button>
       </form>
       {snackbarOpen && (