feat: 添加表单示例，可通过JSON格式配置生成 (#999)

* feat: 添加表单示例，可通过`JSON`格式配置生成

src/router/enums.ts

@@ -6,23 +6,24 @@ const home = 0, // 平台规定只有 home 路由的 rank 才能为 0 ，所以
   components = 3,
   able = 4,
   table = 5,
-  list = 6,
-  result = 7,
-  error = 8,
-  frame = 9,
-  nested = 10,
-  permission = 11,
-  system = 12,
-  monitor = 13,
-  tabs = 14,
-  about = 15,
-  editor = 16,
-  flowchart = 17,
-  formdesign = 18,
-  board = 19,
-  ppt = 20,
-  guide = 21,
-  menuoverflow = 22;
+  form = 6,
+  list = 7,
+  result = 8,
+  error = 9,
+  frame = 10,
+  nested = 11,
+  permission = 12,
+  system = 13,
+  monitor = 14,
+  tabs = 15,
+  about = 16,
+  editor = 17,
+  flowchart = 18,
+  formdesign = 19,
+  board = 20,
+  ppt = 21,
+  guide = 22,
+  menuoverflow = 23;
 
 export {
   home,
@@ -31,6 +32,7 @@ export {
   components,
   able,
   table,
+  form,
   list,
   result,
   error,