Add convenient build shortcut

build.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -e
+
+GITCOMMIT=$(git rev-parse --short HEAD 2>/dev/null)
+DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
+VERSION=$(git branch --show-current)
+
+go build -ldflags "-X speedrun/cmd.version=$VERSION -X speedrun/cmd.commit=$GITCOMMIT -X speedrun/cmd.date=$DATE"