* Reorganize documenation based on rocm-docs-core
* Move build, install and contributing guides to docs
* Bump readthedocs config to Ubuntu 20.04
* Add more direct links to the API modules
* Pin rocm-docs-core version, add dependabot
- Use the pip package to have rocm-docs-core pinned
- Add dependabot config to update pinned packages (including rocm-docs-core)
* fixup! Add more direct links to the API modules
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[ROCm/hip commit: ae5f8714f4]