Lock admin actions behind a env variable

ADMIN_ID is comma-separated values of the user-ids of admins who will have access to /ban

Signed-off-by: baalajimaestro <me@baalajimaestro.me>

src/nim_censor_bot.nim

@@ -69,6 +69,7 @@ proc updateHandler(b: Telebot, u: Update): Future[bool] {.async, gcsafe.} =
       if message == "/start":
         discard await b.sendMessage(response.chat.id, "Hey, To create a censored post, you can share any album, video, photo, gif, sticker, etc. The messages could then be forwarded to any chat for them to view")
       elif message.contains("/ban"):
+        if $response.chat.id in AdminID:
           let user = message.split(" ")
           var BannedUser = NewBannedUsers(int64(parseInt(user[1])), epochTime(), "permanent")
           with dbConn: