how to push files to existing github repo code example

Example 1: git push existing repo

cd existing_folder
git init
git remote add origin https://gitlab.com/abc.git
git add .
git commit -m "Initial commit"
git push -u origin master

Example 2: how to push existing project to github

git remote add origin 
      https://github.com/asd/FinraDeck.git (github adresi)
• git push -u origin master