fix(templates): correct import & nullable field

templates/config/auth.txt

@@ -5,7 +5,7 @@
  * file.
  */
 
-import { AuthConfig } from '@ioc:Adonis/Addons/Auth'
+import type { AuthConfig } from '@ioc:Adonis/Addons/Auth'
 
 /*
 |--------------------------------------------------------------------------

templates/middleware/Auth.txt

@@ -1,6 +1,6 @@
-import { GuardsList } from '@ioc:Adonis/Addons/Auth'
-import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
 import { AuthenticationException } from '@adonisjs/auth/build/standalone'
+import type { GuardsList } from '@ioc:Adonis/Addons/Auth'
+import type { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
 
 /**
  * Auth middleware is meant to restrict un-authenticated access to a given route

templates/middleware/SilentAuth.txt

@@ -1,4 +1,4 @@
-import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
+import type { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
 
 /**
  * Silent auth middleware can be used as a global middleware to silent check

templates/migrations/api_tokens.txt

@@ -1,6 +1,6 @@
 import BaseSchema from '@ioc:Adonis/Lucid/Schema'
 
-export default class {{ tokensSchemaName }} extends BaseSchema {
+export default class extends BaseSchema {
   protected tableName = '{{ tokensTableName }}'
 
   public async up() {

templates/migrations/auth.txt

@@ -1,6 +1,6 @@
 import BaseSchema from '@ioc:Adonis/Lucid/Schema'
 
-export default class {{ usersSchemaName }} extends BaseSchema {
+export default class extends BaseSchema {
   protected tableName = '{{ usersTableName }}'
 
   public async up() {

templates/model.txt

@@ -13,7 +13,7 @@ export default class {{ modelName }} extends BaseModel {
   public password: string
 
   @column()
-  public rememberMeToken?: string
+  public rememberMeToken: string | null
 
   @column.dateTime({ autoCreate: true })
   public createdAt: DateTime