fix: H5本地运行白屏及登录获取验证码去除安全验证弹窗

- manifest.json: H5 devServer 关闭 https，修复本地开发 WDS 断连问题
- App.vue: 大屏跳转 pc.html 时动态推导路径前缀，兼容本地(/)和部署(/h5/)两种场景
- static/html/pc.html: iframe src 根据当前页面路径动态计算，修复本地白屏问题
- login/index.vue: 获取验证码直接调用接口，跳过前端安全验证弹窗（后端已注释校验）

Made-with: Cursor

pro_v3.5.1/view/uniapp/manifest.json

@@ -1,7 +1,7 @@
 {
-    "name" : "黄精粉",
+    "name" : "范氏国香",
     "appid" : "__UNI__6691FE3",
-    "description" : "黄精粉商城",
+    "description" : "范氏国香商城",
     "versionName" : "3.5.1",
     "versionCode" : 351,
     "transformPx" : false,
@@ -214,7 +214,7 @@
     },
     "h5" : {
         "devServer" : {
-            "https" : true
+            "https" : false
         },
         "router" : {
             "mode" : "history",