Update 'Jenkinsfile'

Jenkinsfile

@@ -1,5 +1,3 @@
-def FIREBASE_TOKEN = "1//01qpBX7fJp_MkCgYIARAAGAESNwF-L9IrxNCVYfwDg6jE_bhT0-ja1yQGO1Wxn2mFd8cH1O15uC8Nv2b1NXpEp8-oQXdabUXLJqM"
-
 pipeline {
     agent any
     stages {
@@ -14,9 +12,14 @@ pipeline {
                     bat 'npm run build'
                 }    
                 
+                environment {
+                    MY_VAR = '1//01qpBX7fJp_MkCgYIARAAGAESNwF-L9IrxNCVYfwDg6jE_bhT0-ja1yQGO1Wxn2mFd8cH1O15uC8Nv2b1NXpEp8-oQXdabUXLJqM'
+                    
+                }
+
                 bat '''
-                    echo ${FIREBASE_TOKEN}
-                    npx firebase login --interactive --token $FIREBASE_TOKEN
+                    echo "${FIREBASE_TOKEN}"
+                    npx firebase login --interactive --token "${FIREBASE_TOKEN}"
                     npx firebase init
                     echo %cd%
                     dir