Add project fork/copy warning message

lib/structures/Client.ts

@@ -216,6 +216,12 @@ export class Client extends TypedEmitter<ClientEvents> {
         if (config.branch.toLowerCase().includes("development")) {
             console.log("TouchGuild Development Build (v" + config.version + ")");
             if (!this.params.updateWarning) return;
+            if (config.version !== "dev") {
+                console.log("█ This is a fork or copy of the TouchGuild library, " +
+                  "make sure to respect the license associated to the library.\n" +
+                  "█ If this fork was made to contribute, we thank you for your commitment!");
+                return;
+            }
             const res = await fetch("https://registry.npmjs.org/touchguild");
             const json = await res.json() as { time: Record<string, string>; };
             if (Object.keys(json.time)[Object.keys(json.time).length - 1] !== config.version)