Repair Jenkinsfile syntax

Jenkinsfile

@@ -1,29 +1,31 @@
 pipeline {
-    agent linux
+    agent linux  // You can specify 'linux' if you specifically need a Linux agent
 
     stages {
         stage('Build') {
             steps {
-                dart doc
+                sh 'dart doc'
             }
         }
-        steps('Test') {
+
+        stage('Test') {
             steps {
-                dart test
+                sh 'dart test'
             }
         }
-        steps('Deploy') {
+
+        stage('Deploy') {
             steps {
-                dart pub publish
-                git clone git@github.com:ariascreations/ServerCode
-                rsync -a --progress -h --delete doc/api/ ServerCode/api.zontreck.com/dartdocs/libac/
-                cd ServerCode
-                git add --all .
-                git commit -m "[BOT] Publish LibAC DartDocs"
-                git push --all
-                cd ..
-                rm -rf ServerCode
+                sh 'dart pub publish'
+                sh 'git clone git@github.com:ariascreations/ServerCode'
+                sh 'rsync -a --progress -h --delete doc/api/ ServerCode/api.zontreck.com/dartdocs/libac/'
+                dir('ServerCode') {
+                    sh 'git add --all .'
+                    sh 'git commit -m "[BOT] Publish LibAC DartDocs"'
+                    sh 'git push --all'
+                }
+                sh 'rm -rf ServerCode'
             }
         }
     }
-}
+}