update:添加jenkins流水线

Jenkinsfile

@@ -0,0 +1,20 @@
+pipeline {
+  agent any
+  stages {
+    stage('Build') {
+      steps {
+        echo 'StartBuild'
+        sh '''echo \'start build\';
+'''
+      }
+    }
+
+    stage('Test') {
+      steps {
+        echo 'Start Test'
+        sh 'echo \'dotnet test\';'
+      }
+    }
+
+  }
+}