Add a little bit of docs to script/release

Author: rubyist

script/release

@@ -1,4 +1,14 @@
 #!/bin/sh
+#
+# This script will generate a release on github/lfs-test-server.
+# Ensure that you've bumped version in main.go, then run the script.
+# The script does the following
+#   * Ensure the build succeeds (and pulls the version from the build)
+#   * Ensure the tests pass
+#   * Cross compiles for supported platforms
+#   * Creates the release on github/lfs-test-server
+#   * Uploads binary assets to the release.
+
 
 go build -o lfs-test-server
 rc=$?; if [[ $rc != 0 ]]; then echo "Build failed."; exit $rc; fi