Add build script

Author: someth2say

build.sh

@@ -0,0 +1,8 @@
+#! /bin/sh
+function has() {
+  curl -sL https://git.io/_has | bash -s $1
+  return $?
+}
+
+has "podman" && command="podman" || has "docker" && command="docker"
+$command build . -t quay.io/redhattraining/pre-commit -f Containerfile