update initial typescript config message to mention strict mode being off by default

packages/next/lib/typescript/writeConfigurationDefaults.ts

@@ -183,7 +183,7 @@ export async function writeConfigurationDefaults(
     chalk.green(
       `We detected TypeScript in your project and reconfigured your ${chalk.bold(
         'tsconfig.json'
-      )} file for you.`
+      )} file for you. Strict-mode is set to ${chalk.bold('false')} by default.`
     ) + '\n'
   )
   if (suggestedActions.length) {