Add install/update instructions database (#1160)

* Add install/update instructions database

* Update the database

* Revert README changes

They will be overwritten later.

* Revert

* Tweak

* Tweaks

* Upgrade database

* Complete commands

Still not sure about Spack upgrades.

* Sort

* Doc generation script draft

* Remove OS names from tool names

* Fix Linuxbrew name

* `wheel` already installs `setuptools`

* Gen docs

* Update

* Tweak

* Add a GitHub workflow to check for outdated installation instructions

* Fix return value

* Test

* Delete test

* Rename the script

* Add `make doc-install-inst`

* Add missing dev requirement

* The first tool is the primary we want to display

Then they are simply sorted by `tool.title`.

* Sort OSes by name

* Refactoring, jinja template, etc.

* Add tool title uniqueness `assert`, fix platform list extra `\n`

* Rebuild docs

* Update generate.py

* Update README.md

* Update methods.yml

* Update distros derived, more assertions

* Tweaks

* Add workflow to auto-update the docs

* Do not hide the command

* Tweaks

Co-authored-by: Jakub Roztocil <jakub@roztocil.co>

setup.py

@@ -22,8 +22,10 @@ dev_require = [
     'flake8-tuple',
     'pyopenssl',
     'pytest-cov',
+    'pyyaml',
     'twine',
     'wheel',
+    'Jinja2'
 ]
 install_requires = [
     'charset_normalizer>=2.0.0',