feat: add coder-cli-nightly release (#12)

Author: cmoog

.github/workflows/test.yaml

@@ -11,4 +11,12 @@ jobs:
       - uses: actions/checkout@v1
       - run: brew install --build-from-source ./coder-cli.rb 
       - run: coder --version
-
+  coder_cli_nightly:
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v1
+      - run: brew install --build-from-source ./coder-cli-nightly.rb
+      - run: coder --version

coder-cli-nightly.rb

@@ -0,0 +1,21 @@
+class CoderCliNightly < Formula
+  desc "Command-line tool for the Coder remote development platform, nightly release channel"
+  homepage "https://github.com/cdr/coder-cli"
+  version "1.16.0-rc.0"
+  bottle :unneeded
+
+  if OS.mac?
+    url "https://github.com/cdr/coder-cli/releases/download/v1.16.0-rc.0/coder-cli-darwin-amd64.zip"
+    sha256 "283fbdbbd57ca75361ac89fb0300546483c326bb047e7cd96eb524c39241c5c5"
+  else
+    url "https://github.com/cdr/coder-cli/releases/download/v1.16.0-rc.0/coder-cli-linux-amd64.tar.gz"
+    sha256 "7552b45f956c2a027c58beb0867d6df32d75291a0a5b6ad0c6bc9957306da989"
+  end
+
+  def install
+    bin.install "coder"
+  end
+  test do
+    system "#{bin}/coder", "--version"
+  end
+end