Europa: integrate core packages, separate universe

Signed-off-by: Solomon Hykes <solomon@dagger.io>

europa-universe/bash/bash.cue

@@ -0,0 +1,21 @@
+// Helpers to run bash commands in containers
+package bash
+
+import (
+	"universe.dagger.io/docker"
+)
+
+// Run a bash command or script in a container
+#Run: docker.#Run & {
+	script: string
+	cmd: {
+		name: "bash"
+		flags: {
+			"-c":          script
+			"--noprofile": true
+			"--norc":      true
+			"-e":          true
+			"-o":          "pipefail"
+		}
+	}
+}