Add server sdk v2.0 code

.github/workflows/build.yml

@@ -1,9 +1,9 @@
 name: Build
 on:
   push:
-    branches: [ master ]
+    branches: [ master_java_2.0 ]
   pull_request:
-    branches: [ master ]
+    branches: [ master_java_2.0 ]
 jobs:
   build:
     runs-on: ubuntu-latest

.github/workflows/maven.yml

@@ -0,0 +1,30 @@
+# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
+#
+# This file is auto-generated by OpenAPI Generator (https://openapi-generator.tech)
+
+name: Java CI with Maven
+
+on:
+  push:
+    branches: [ main, master_java_2.0 ]
+  pull_request:
+    branches: [ main, master_java_2.0 ]
+
+jobs:
+  build:
+    name: Build EMService
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: [ '8' ]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK
+      uses: actions/setup-java@v2
+      with:
+        java-version: ${{ matrix.java }}
+        distribution: 'temurin'
+        cache: maven
+    - name: Build with Maven
+      run: mvn -B package --no-transfer-progress --file pom.xml