Docs updated ready for release v0.22.0. (#774)

Release notes for v0.21, to support latest ecCodes. (#597)

* Release notes for v0.21, to support latest ecCodes.

* Remove private url.

Whatsnew updates for v0.20.0 . (#528)

* Whatsnew updates for v0.20.0 .

* Further improvements

* Adjust version on main page.

* Fix issue/pr ref

* Update docs/ref/release_notes.rst

Co-authored-by: Martin Yeo <40734014+trexfeathers@users.noreply.github.com>

* Update docs/ref/release_notes.rst

Co-authored-by: Martin Yeo <40734014+trexfeathers@users.noreply.github.com>

* Further whatsnew updates

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Co-authored-by: Martin Yeo <40734014+trexfeathers@users.noreply.github.com>

v0x19 docs update (#370)

* Fix the docs building on readthedocs (#366)

* correct yml reference and rename

* add fuller readthedocs config

* wip

* remove comments

* Docs updates for the v0.19 release (not done in the original tagged release).

* Remove redundant sphinx config causing warnings.

* Fix presentation of release-page link.

* Add v0.19.1 whatsnew, just to cover the docs update.

* Update docs/conf.py

Co-authored-by: Elias <110238618+ESadek-MO@users.noreply.github.com>

* Update .readthedocs.yml

* Update docs/conf.py

Co-authored-by: Elias <110238618+ESadek-MO@users.noreply.github.com>

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Co-authored-by: tkknight <2108488+tkknight@users.noreply.github.com>
Co-authored-by: Elias <110238618+ESadek-MO@users.noreply.github.com>

bump feature branch to release version 0.19.0 (#364)

Update version string to 0.18 and update docs (#291)

Correct date of 0.17.1 release (#278)

Add release notes and update version number (#266)

Docstest 0v16 (#244)

* Document PR#240 in release notes.

* Fix version string and release-notes date.

Add 'main' conda-forge channel, needed for docs builds.