v2.0.0: Refactored structure and multiple packages/platforms support

feat: support building for multiple packages and platforms (#2)

* refactor: use 'dist' folder for images of different purposes

and use docker buildkit to support multiple platform image building

* feat: support build images for TensorRT

* docs: update README.md

* fix: use OS_VERSION in ros image building

* docs: update README.md

* fix: tensorrt image building works

* fix: add platform-specific building for tensorrt images

* fix: add pip and python package installation for tensorrt images

* fix(tensorrt): remove unused RUN statement in docker file