refactoring act-runner-network-stack, added action kubectl-setup

runners/act-runner-network-stack/Dockerfile

@@ -0,0 +1,11 @@
+
+FROM gitea/act_runner:0.2.13
+
+RUN echo "build started.." && \
+apk add --no-cache openssh-client curl ansible nodejs rclone rsync nodejs envsubst
+
+RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
+RUN chmod +x ./kubectl
+RUN mv ./kubectl /usr/local/bin
+
+