Arm migration docs and template enhancements#176

Merged

markcowl merged 15 commits intoAzure:mainfrom markcowl:arm-migration

Jan 31, 2024

+2,537-760

Commits on Jan 13, 2024

Initial migration doc and template updates
markcowl
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Merge branch 'main' of github.com:Azure/typespec-azure into arm-migration
markcowl
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Commits on Jan 26, 2024

Merging with upstream
markcowl
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Commits on Jan 31, 2024

Fixing inadvertent doc change
markcowl
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