[cicd] 添加cicd的功能

.gitlab.yml

+image: maven:3.3.9-jdk-8
+
+# Cache downloaded dependencies and plugins between builds.
+# To keep cache across branches add 'key: "$CI_JOB_NAME"'
+cache:
+  paths:
+    - .m2/repository
+    - target/
+
+# 构建jar包
+build:
+  stage: build
+  script:
+    - mvn clean package -DskipTests=true -p dev
+
+# 运行jar包
+deploy:
+  stage: deploy
+  script:
+    - nohup java -jar *.jar &
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