Migrate all sphinxnotes project to this template

[SilverRainZ]

• pages not extension
• Re-org project with https://github.com/sphinx-notes/template strike#3
• Re-org project with https://github.com/sphinx-notes/template mock#2
• Re-org project with https://github.com/sphinx-notes/template isso#1
• Re-org project with https://github.com/sphinx-notes/template lilypond#24
• Re-org project with https://github.com/sphinx-notes/template any#20
• snippet Re-org project with https://github.com/sphinx-notes/template snippet#20
• markdown-builder archived

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Use cruft:

• chore: Update project template to sphinx-notes/cookiecutter@800a79a0 mock#5
• isso refactor: Sync with template and use cruft isso#4