ci: add support for GitPod (#198)

.gitpod.Dockerfile

+# this project uses workspace-full but if you only want to run Starlark
+# use workspace-base instead
+# can't use that here as this needs Go and TS
+FROM gitpod/workspace-full

.gitpod.yml

+image:
+  file: .gitpod.Dockerfile
+
+tasks:
+  - name: Setup Kurtosis
+    command: |
+      echo "deb [trusted=yes] https://apt.fury.io/kurtosis-tech/ /" | sudo tee /etc/apt/sources.list.d/kurtosis.list
+      sudo apt update
+      sudo apt install kurtosis-cli
+      kurtosis run github.com/fake-package/fake-package-purely-for-analytics || kurtosis clean -a
+      code README.md
+      source <(kurtosis completion bash)
+      echo "source <(kurtosis completion bash)" >> ~/.bashrc
+      clear  
+
+ports:
+  - name: Kurtosis Engine Grpc Listen
+    port: 9710
+    onOpen: ignore
+  - name: Kurtosis Engine Grpc Proxy Listen
+    port: 9710
+    onOpen: ignore
+  
+
+vscode:
+  extensions:
+    - Kurtosis.kurtosis-extension
\ No newline at end of file