Pull request #2017: PIPE-3252: Document RTD branching strategy and version mapping
Merge in PIPE/pipeline from PIPE-3252-docs-branching-and-rtd-versioning to main
* commit 'd0d258de128b74e3e2d4cdde776a00598eddb77b': PIPE-3252: Restructure RTD docs sections and add descriptions for the branch/tag-RTD-version mapping PIPE-3252: Expand the docs build path in `.gitignore` PIPE-3252: Document RTD branching strategy and version mapping
