builds: cloudbuild setup for Go Nightly

Tested with the following commands

$ gcloud auth login
$ gcloud config set project vscode-go-insiders
$ gcloud builds submit --config build/cloudbuild.container.yaml
$ gcloud builds submit --config build/cloudbuild.yaml

NIGHTLY ONLY

Change-Id: I55f9cb181f8510caab7c7a8ff43d1e40540d7734
diff --git a/build/cloudbuild.container.yaml b/build/cloudbuild.container.yaml
new file mode 100644
index 0000000..12d8ad7
--- /dev/null
+++ b/build/cloudbuild.container.yaml
@@ -0,0 +1,5 @@
+steps:
+- name: 'gcr.io/cloud-builders/docker'
+  args: ['build', '-t', 'gcr.io/$PROJECT_ID/vscode-test-env', '-f', 'build/Dockerfile', '.']
+images:
+    - 'gcr.io/$PROJECT_ID/vscode-test-env'
diff --git a/build/cloudbuild.yaml b/build/cloudbuild.yaml
new file mode 100644
index 0000000..a678121
--- /dev/null
+++ b/build/cloudbuild.yaml
@@ -0,0 +1,9 @@
+steps:
+- name: 'gcr.io/$PROJECT_ID/vscode-test-env'
+  entrypoint: "./build/all.bash"
+  args: ['ci']
+  env:
+    - 'BUILD=$BUILD_ID'
+    - 'PROJECT=$PROJECT_ID'
+    - 'REV=$REVISION_ID'
+timeout: 600s