add rate service

lib/pages/faq/faq_edit_page.dart

@@ -94,8 +94,12 @@ class _FAQEditorState extends State<FAQEditor> {
           _pageLink = newValue;
         });
       },
-      items: <String>[info, page_buying_instructions, page_payment_methods]
-          .map<DropdownMenuItem<String>>((String value) {
+      items: <String>[
+        info,
+        page_buying_instructions,
+        page_payment_methods,
+        page_rates
+      ].map<DropdownMenuItem<String>>((String value) {
         return DropdownMenuItem<String>(
           value: value,
           child: Text(
@@ -116,6 +120,64 @@ class _FAQEditorState extends State<FAQEditor> {
     );
 
     return LocalProgress(
+        inAsyncCall: _isLoading,
+        child: Scaffold(
+            appBar: AppBar(
+              centerTitle: true,
+              leading: new IconButton(
+                icon: new Icon(CupertinoIcons.back, color: primaryColor),
+                onPressed: () => Navigator.of(context).pop(),
+              ),
+              backgroundColor: Colors.white,
+              shadowColor: Colors.transparent,
+              title: LocalText(
+                  context, _isNew ? 'faq.add.title' : 'faq.edit.title',
+                  color: primaryColor, fontSize: 20),
+              actions: [
+                IconButton(
+                  icon: Icon(Icons.delete),
+                  onPressed: _delete,
+                )
+              ],
+            ),
+            body: Form(
+              key: _formKey,
+              child: Padding(
+                padding: EdgeInsets.only(left: 24.0, right: 24.0),
+                child: ListView(
+                  children: <Widget>[
+                    snBox,
+                    Center(child: itemTitle(context, "faq.edit.eng")),
+                    subItemTitle(context, "faq.edit.question",
+                        iconData: SimpleLineIcons.question),
+                    questionEngBox,
+                    subItemTitle(context, "faq.edit.answer",
+                        iconData: MaterialCommunityIcons.message_reply_text),
+                    answerEngBox,
+                    Divider(),
+                    Center(child: itemTitle(context, "faq.edit.mm")),
+                    subItemTitle(context, "faq.edit.question",
+                        iconData: SimpleLineIcons.question),
+                    questionMmBox,
+                    subItemTitle(context, "faq.edit.answer",
+                        iconData: MaterialCommunityIcons.message_reply_text),
+                    answerMmBox,
+                    Divider(),
+                    Center(child: itemTitle(context, "faq.edit.page")),
+                    pageLinkBox,
+                    pageLabelEngBox,
+                    pageLabelMmBox,
+                    fcsButton(context, getLocalString(context, "btn.save"),
+                        callack: _save),
+                    SizedBox(
+                      height: 20,
+                    )
+                  ],
+                ),
+              ),
+            )));
+
+    LocalProgress(
         inAsyncCall: _isLoading,
         child: Scaffold(
             body: CustomScrollView(slivers: [