add circleci cli (#405)

Co-authored-by: Liam Nattrass <[email protected]>

circleci.hcl

@@ -0,0 +1,30 @@
+binaries = ["circleci"]
+
+on "unpack" {
+  rename {
+    from = "${root}/circleci-cli_${version}_${os}_${arch}/circleci"
+    to = "${root}/circleci"
+  }
+}
+
+platform "darwin" "amd64" {
+  source = "https://github.com/CircleCI-Public/circleci-cli/releases/download/v${version}/circleci-cli_${version}_${os}_${arch}.tar.gz"
+}
+
+platform "darwin" "arm64" {
+  source = "https://github.com/CircleCI-Public/circleci-cli/releases/download/v${version}/circleci-cli_${version}_${os}_${arch}.tar.gz"
+}
+
+platform "linux" "amd64" {
+  source = "https://github.com/CircleCI-Public/circleci-cli/releases/download/v${version}/circleci-cli_${version}_${os}_${arch}.tar.gz"
+}
+
+description = "Use CircleCI from the command line"
+homepage = "https://circleci-public.github.io/circleci-cli/"
+
+version "0.1.29041" {
+  auto-version {
+    github-release = "CircleCI-Public/circleci-cli"
+  }
+}
+