Added Jenkinsfile

Jenkinsfile

@@ -8,8 +8,7 @@ pipeline {
   stages {
     stage('install_dep') {
       steps {
-        sh '''pip install -r requirements/dev.txt 
-&& cp .env.sample .env && python manage.py migrate'''
+        sh 'pip install -r requirements/dev.txt && cp .env.sample .env && python manage.py migrate'
       }
     }