udpate doc on subscribe

Author: bluebill1049

src/components/Menu/MenuLinks.ts

@@ -107,6 +107,7 @@ export const apiLinks: Pages = [
       { pathname: "/docs/useform/unregister", name: "unregister" },
       { pathname: "/docs/useform/formstate", name: "formState" },
       { pathname: "/docs/useform/watch", name: "watch" },
+      { pathname: "/docs/useform/subscribe", name: "subscribe" },
       { pathname: "/docs/useform/handlesubmit", name: "handleSubmit" },
       { pathname: "/docs/useform/reset", name: "reset" },
       { pathname: "/docs/useform/resetfield", name: "resetField" },

src/components/codeExamples/formState.ts

@@ -1,5 +1,4 @@
-export default `import React from "react";
-import { useForm } from "react-hook-form";
+export default `import { useForm } from "react-hook-form";
 
 export default function App() {
   const {

src/components/codeExamples/formStateUseEffectTs.ts

@@ -1,5 +1,4 @@
-export default `import React from "react";
-import { useForm } from "react-hook-form";
+export default `import { useForm } from "react-hook-form";
 type FormInputs = {
   test: string
 }

src/components/codeExamples/useFieldArray.ts

@@ -1,5 +1,4 @@
-export default `import React from "react";
-import { useForm, useFieldArray } from "react-hook-form";
+export default `import { useForm, useFieldArray } from "react-hook-form";
 
 function App() {
   const { register, control, handleSubmit, reset, trigger, setError } = useForm({

src/components/sponsorsList.tsx

@@ -23,7 +23,11 @@ export function SponsorsList() {
         >
           <img src="/images/route4me.png" alt="route4me" />
         </a>
-        <a href="https://www.follower24.de/" target="_blank" rel="noopener noreferrer">
+        <a
+          href="https://www.follower24.de/"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
           <img
             className={styles.twicsy}
             src="/images/follower24.png"

src/content/docs/formprovider.mdx

@@ -27,8 +27,6 @@ This following table applied to `FormProvider`, `useFormContext` accepts no argu
 ---
 
 ```javascript copy sandbox="https://codesandbox.io/s/react-hook-form-v7-form-context-ytudi"
-import React from "react"
-
 import { useForm, FormProvider, useFormContext } from "react-hook-form"
 
 export default function App() {

src/content/docs/usecontroller/controller.mdx

@@ -96,7 +96,6 @@ function App() {
 ```
 
 ```javascript copy sandbox="https://codesandbox.io/s/react-hook-form-v7-controller-5h1q5"
-import React from "react"
 import ReactDatePicker from "react-datepicker"
 import { TextField } from "@material-ui/core"
 import { useForm, Controller } from "react-hook-form"

src/content/docs/useform.mdx

@@ -442,7 +442,6 @@ npm install @hookform/resolvers
 <TabGroup buttonLabels={["Yup","Zod","Joi","Ajv","Vest", "Custom"]}>
 
 ```typescript copy sandbox="https://codesandbox.io/s/react-hook-form-apply-validation-ts-forked-nmbyh"
-import React from "react"
 import { useForm } from "react-hook-form"
 import { yupResolver } from "@hookform/resolvers/yup"
 import * as yup from "yup"
@@ -507,7 +506,6 @@ const App = () => {
 ```
 
 ```typescript copy sandbox="https://codesandbox.io/s/react-hook-form-joiresolver-v6-ts-forked-5pseh"
-import React from "react";
 import { useForm } from "react-hook-form";
 import { joiResolver } from "@hookform/resolvers/joi";
 import Joi from "joi";

src/content/docs/useform/control.mdx

@@ -21,7 +21,6 @@ This object contains methods for registering components into React Hook Form.
 <TabGroup buttonLabels={["TS", "JS"]}>
 
 ```typescript copy sandbox="https://codesandbox.io/s/react-hook-form-v6-controller-ts-jwyzw"
-import React from "react"
 import { useForm, Controller } from "react-hook-form"
 import { TextField } from "@material-ui/core"
 

src/content/docs/useform/getvalues.mdx

@@ -50,7 +50,6 @@ The example below shows what to expect when you invoke `getValues` method.
 <TabGroup buttonLabels={["TS", "JS", "Types"]}>
 
 ```typescript copy sandbox="https://codesandbox.io/s/react-hook-form-v7-ts-getvalues-txsfg"
-import React from "react"
 import { useForm } from "react-hook-form"
 
 type FormInputs = {