fixes file path in nextjs guide

Author: rishabhpoddar

v2/emailpassword/nextjs/app-directory/init.mdx

@@ -109,7 +109,7 @@ export const appInfo = {
 
 ## 4) Create a frontend config function
 
-```tsx title="app/config/frontend.ts"
+```tsx title="app/config/frontend.tsx"
 import EmailPasswordReact from 'supertokens-auth-react/recipe/emailpassword'
 import SessionReact from 'supertokens-auth-react/recipe/session'
 // @ts-ignore
@@ -154,7 +154,7 @@ export const frontendConfig = (): SuperTokensConfig => {
 
 ## 4) Create a frontend config function
 
-```tsx title="app/config/frontend.ts"
+```tsx title="app/config/frontend.tsx"
 import EmailPasswordWebJs from 'supertokens-web-js/recipe/emailpassword'
 import SessionWebJs from 'supertokens-web-js/recipe/session'
 // @ts-ignore

v2/passwordless/nextjs/app-directory/init.mdx

@@ -113,7 +113,7 @@ export const appInfo = {
 
 ## 4) Create a frontend config function
 
-```tsx title="app/config/frontend.ts"
+```tsx title="app/config/frontend.tsx"
 import PasswordlessReact from 'supertokens-auth-react/recipe/passwordless'
 import SessionReact from 'supertokens-auth-react/recipe/session'
 // @ts-ignore
@@ -160,7 +160,7 @@ export const frontendConfig = (): SuperTokensConfig => {
 
 ## 4) Create a frontend config function
 
-```tsx title="app/config/frontend.ts"
+```tsx title="app/config/frontend.tsx"
 import PasswordlessWebJs from 'supertokens-web-js/recipe/passwordless'
 import SessionWebJs from 'supertokens-web-js/recipe/session'
 // @ts-ignore

v2/thirdparty/nextjs/app-directory/init.mdx

@@ -109,7 +109,7 @@ export const appInfo = {
 
 ## 4) Create a frontend config function
 
-```tsx title="app/config/frontend.ts"
+```tsx title="app/config/frontend.tsx"
 import ThirdPartyReact, {Google, Facebook} from 'supertokens-auth-react/recipe/thirdparty'
 import SessionReact from 'supertokens-auth-react/recipe/session'
 // @ts-ignore
@@ -163,7 +163,7 @@ export const frontendConfig = (): SuperTokensConfig => {
 
 ## 4) Create a frontend config function
 
-```tsx title="app/config/frontend.ts"
+```tsx title="app/config/frontend.tsx"
 import ThirdPartyWebJs from 'supertokens-web-js/recipe/thirdparty'
 import SessionWebJs from 'supertokens-web-js/recipe/session'
 // @ts-ignore

v2/thirdpartyemailpassword/nextjs/app-directory/init.mdx

@@ -109,7 +109,7 @@ export const appInfo = {
 
 ## 4) Create a frontend config function
 
-```tsx title="app/config/frontend.ts"
+```tsx title="app/config/frontend.tsx"
 import ThirdPartyEmailPasswordReact from 'supertokens-auth-react/recipe/thirdpartyemailpassword'
 import SessionReact from 'supertokens-auth-react/recipe/session'
 // @ts-ignore
@@ -163,7 +163,7 @@ export const frontendConfig = (): SuperTokensConfig => {
 
 ## 4) Create a frontend config function
 
-```tsx title="app/config/frontend.ts"
+```tsx title="app/config/frontend.tsx"
 import ThirdPartyEmailPasswordWebJs from 'supertokens-web-js/recipe/thirdpartyemailpassword'
 import SessionWebJs from 'supertokens-web-js/recipe/session'
 // @ts-ignore

v2/thirdpartypasswordless/nextjs/app-directory/init.mdx

@@ -113,7 +113,7 @@ export const appInfo = {
 
 ## 4) Create a frontend config function
 
-```tsx title="app/config/frontend.ts"
+```tsx title="app/config/frontend.tsx"
 import ThirdPartyPasswordlessReact from 'supertokens-auth-react/recipe/thirdpartypasswordless'
 import SessionReact from 'supertokens-auth-react/recipe/session'
 // @ts-ignore
@@ -160,7 +160,7 @@ export const frontendConfig = (): SuperTokensConfig => {
 
 ## 4) Create a frontend config function
 
-```tsx title="app/config/frontend.ts"
+```tsx title="app/config/frontend.tsx"
 import ThirdPartyPasswordlessWebJs from 'supertokens-web-js/recipe/thirdpartypasswordless'
 import SessionWebJs from 'supertokens-web-js/recipe/session'
 // @ts-ignore