GitLab

* Add basic documentation structure

* Add terminology placeholder

* Add codegen placeholder

* Create template for each page

* Add optimized blockwise gemm using ck wrapper

* Add basic gemm example

* Update docs

* Add tutorial for gemm using ck wrapper

* Add perf note

* edits

* Fix cmake

* Fixes

---------
Co-authored-by: Lisa Delaney <lisa.delaney@amd.com>