added ci

.gitlab-ci.yml

+variables:
+  GIT_SUBMODULE_STRATEGY: recursive
+
+stages:
+  - build
+
+build-ws:
+  image: ros:noetic-ros-base-focal
+  stage: build
+  allow_failure: true
+  script:
+    - apt-get update
+    - apt-get install -y python3-osrf-pycommon python3-catkin-tools build-essential python3-rosdep ros-noetic-catkin ros-noetic-rospack openjdk-8-jdk
+    - echo "source /opt/ros/noetic/setup.bash" >> ~/.bashrc
+    - source ~/.bashrc
+    - cd rosjava
+    - rosdep update
+    - rosdep install -y -i --from-paths . || true
+    - catkin build
+  tags:
+  - highmem