feat(core,common,platform-fastify): add webdav http methods support

[johaven]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/nestjs/nest/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Other... Please describe:

What is the current behavior?

Closes #9459
Old PR: #13164

What is the new behavior?

add new decorators for webdav methods, like @propfind

Does this PR introduce a breaking change?

• Yes
• No

Status

Everything works on both platforms (express, fastify)

[coveralls]

Pull Request Test Coverage Report for Build 2312ec74-c093-40b0-b43c-0268b5148ba5

Details

• 21 of 21 (100.0%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.02%) to 92.265%

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Totals
Change from base Build 3047ae8a-a5a4-402c-9e7d-49c14e1ba997:	0.02%
Covered Lines:	6775
Relevant Lines:	7343

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💛 - Coveralls

[johaven]

Looks good to me