refactor source code

src/OpenAI/openai.service.ts

@@ -1,5 +1,5 @@
-import { Injectable } from '@nestjs/common';
-import { OpenAI } from 'openai';
+import { Injectable } from '@nestjs/common'
+import { OpenAI } from 'openai'
 
 @Injectable()
 export class OpenaiService {
@@ -12,13 +12,13 @@ export class OpenaiService {
   ) {
     const prompt = `
     give me mail content for invitation to a workshop to EPESS and replace {{ mail }} with ${mail}, {{ username }} with ${username} and {{ url }} with ${url}
-    `;
+    `
 
     const response = await this.openai.chat.completions.create({
       model: 'gpt-4o',
       messages: [{ role: 'user', content: prompt }],
-    });
+    })
 
-    return response.choices[0].message.content;
+    return response.choices[0].message.content
   }
 }