refactor: use short ids to allow changing the name of volumes & repos (#67)

* refactor: use short ids to allow changing the name of volumes & repos

* refactor: address PR feedbacks

* fix: make short_id non null after initial population

app/server/utils/id.ts

@@ -0,0 +1,6 @@
+import crypto from "node:crypto";
+
+export const generateShortId = (length = 5): string => {
+	const bytesNeeded = Math.ceil((length * 3) / 4);
+	return crypto.randomBytes(bytesNeeded).toString("base64url").slice(0, length);
+};