docs: update the README.md

style: add some Code comments for NGD-SLAM_NOTED

docs: update the README.md

docs: add chinese translate by shenlanAI

docs: update the .gitignore, README.md and add PDF of Paper

Merge remote-tracking branch 'NGD-SLAM/main'

Add DBoW2 missing files via upload

Add g2o missing files via upload

Update README.md

Update README.md

Update README.md

Update README.md

Initial commit

Update Dependencies.md

Update README.md