Add GitPod as an online tool (#151)

Signed-off-by: rick <[email protected]>

Co-authored-by: rick <[email protected]>

.gitpod.Dockerfile

@@ -0,0 +1,7 @@
+FROM gitpod/workspace-full
+
+# More information: https://www.gitpod.io/docs/config-docker/
+RUN sudo rm -rf /usr/bin/hd && \
+    curl -L https://github.com/LinuxSuRen/http-downloader/releases/download/v0.0.29/hd-linux-amd64.tar.gz | tar xzv && \
+    sudo mv hd /usr/local/bin && \
+    hd install cli/cli

.gitpod.yml

@@ -0,0 +1,8 @@
+image:
+  file: .gitpod.Dockerfile
+
+tasks:
+  - init: |
+      git config --global user.name $GIT_AUTHOR_NAME
+      git config --global user.email $GIT_COMMITTER_EMAIL
+      gh repo fork --remote

README.md

@@ -1,3 +1,5 @@
+[![Gitpod ready-to-code](https://img.shields.io/badge/Gitpod-ready--to--code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/kubesphere/s2ioperator)
+
 # Source-to-image Operator
 
 [![License](http://img.shields.io/badge/license-apache%20v2-blue.svg)](https://github.com/kubesphere/s2ioperator/blob/master/LICENSE)  [![Go Report Card](https://goreportcard.com/badge/github.com/kubesphere/s2ioperator)](https://goreportcard.com/report/github.com/kubesphere/s2ioperator)  [![S2I Operator release](https://img.shields.io/github/release/kubesphere/s2ioperator.svg?color=release&label=release&logo=release&logoColor=release)](https://github.com/kubesphere/s2ioperator/releases/tag/v0.0.14)