hi i'm new here and i wanted to know how to subimit my chip'n dale 2 run

Welcome! Go to the game page and click "Submit run". Almost all games require video proof so you have to include a link to a video of your run which you have to upload on an external site like YouTube or Vimeo. For your game the page should be: https://www.speedrun.com/chip_n_dale_rescue_rangers_2