Aiidalab

What's Changed
* Docs: Update documentation on maintaining an app registry. by csadorf in https://github.com/aiidalab/aiidalab/pull/231
* Docs: update admin section by ltalirz in https://github.com/aiidalab/aiidalab/pull/234
* Allow control of verbosity for CLI and set default level to warning. by csadorf in https://github.com/aiidalab/aiidalab/pull/233
* Fix: Correctly handle updates for apps with prereleases by csadorf in https://github.com/aiidalab/aiidalab/pull/237
* Fix: Implicitly include pereleases among installation candidates. by csadorf in https://github.com/aiidalab/aiidalab/pull/238
* Update the location of apps logo and categories. by yakutovicha in https://github.com/aiidalab/aiidalab/pull/240
* Docs: Add note on how to develop with vscode unkcpz in https://github.com/aiidalab/aiidalab/pull/235
* Fix: Consistently parse the hidden (".aiidalab") directory for metadata. by csadorf in https://github.com/aiidalab/aiidalab/pull/241

New Contributors
* unkcpz made their first contribution in https://github.com/aiidalab/aiidalab/pull/235

**Full Changelog**: https://github.com/aiidalab/aiidalab/compare/v21.10.1...v21.10.2

* Docs: mention quantum mobile. (212)
* Parse metadata from app repository for non-registered apps. (216, 226)
* Distinguish between non-registered and registry cannot be reached. (222)
* Dependencies: Require requests~=2.26.0. (224)
* Minor refactor of PEP 508 URL related code. (223)
* Add function to build registry. (225)

* Add app dependencies installation feature. (197)
* Add the possibility to redirect dependencies installation log. (198)
* AiidaLabApp: add stdout redirect to the update_app method. (199)
* Reentry scan and AiiDA daemon restart after the dependencies installation. (200)
* Docs: update the short description of what AiiDAlab is. (204)
* Docs: revise the section on app development. (205)
* Docs: update widgets docs. (206)
* Update traitlets dependency and pre-commit version. (209)
* Document how to point AiiDAlab to a different app registry. (208)
* Docs: reorganize top-level. (210)
* Update package management logic (211).

Changes:
- Minor modifications to `_AiidaLabApp` and `AiidaLabApp` classes (194)

Changes:

- Fix minor bug in the app removal method.
- Exclude hidden dirs and the Python cache dir from the app listing.
- Fix the caching of requests. (192)

Changes:

- Fix bug in determination of available updates (https://github.com/aiidalab/aiidalab/commit/e0de4c8d0275caf8ea5035e3d0abd58b0915067c).