Update new build system doc (!571) · Merge requests · tango-controls / pytango · GitLab

Benjamin Bertrand requested to merge 460-improve-build-process-doc into 460-improve-build-process May 04, 2023

Fix markdown warnings in BUILD.md
Add instructions to build with conda
Add some specific properties for windows:
- compilation fails without "/bigobj"
- took suffix from current build process Compilation is still failing on windows. More work needed.