Add sshcode package. (#3287)

packages/sshcode.rb

+require 'package'
+
+class Sshcode < Package
+  description 'Run VS Code on any server over SSH.'
+  homepage 'https://github.com/cdr/sshcode'
+  version '0.8.0'
+  source_url 'https://raw.githubusercontent.com/cdr/sshcode/v0.8.0/README.md'
+  source_sha256 '5bd544d9d7e8ebf0b48934a04b55b64802e23189a70410ccab2833c2435e6736'
+  
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  depends_on 'go' => :build
+
+  def self.install
+    system "go get go.coder.com/sshcode"
+    system "cd ~/go/src/go.coder.com/sshcode && git checkout tags/v0.8.0"
+    system "go build -o #{CREW_DEST_PREFIX}/bin/sshcode go.coder.com/sshcode"
+  end
+
+  def self.postinstall
+    # https://github.com/cdr/sshcode/pull/82
+    puts 'To use sshcode you need to bind the webserver to 0.0.0.0:<port>'.lightgreen
+    puts 'For example: sshcode --skipsync --bind 0.0.0.0:8080 [remote-ssh-ip]'.lightgreen
+    puts 'Syncing extensions does not work at this time.'.lightgreen
+    puts
+  end
+end