Develop few things in MyBB

Please, read carefully, I will make SPAM for each bid that does not follow the instructions or does not meet the need. To apply, you must have experience in using MYBB forum, include: - Editing plugins - Editing php files I need the following: 1- Change the whole thing to be RTL instead of LTR 2- Chang the columns and delete some options such as signature 3- Fix language issue with a plugin called Help Center