feat(common): add parse float and enum pipes

[kaufmo]

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
[x] 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?

Added two new pipe transformers for float and enum values

Issue Number: N/A

What is the new behavior?

It is possible now to use new pipe transformer for float values and enum values

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[coveralls]

Pull Request Test Coverage Report for Build 9a9ded65-2426-4dc3-9bbe-6c14cb01e97a

• 24 of 26 (92.31%) changed or added relevant lines in 3 files are covered.
• 9 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.01%) to 94.729%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
packages/common/pipes/parse-enum.pipe.ts	12	13	92.31%
packages/common/pipes/parse-float.pipe.ts	10	11	90.91%

Files with Coverage Reduction	New Missed Lines	%
packages/microservices/context/rpc-context-creator.ts	2	95.19%
packages/websockets/context/ws-context-creator.ts	2	95.05%
packages/core/helpers/external-context-creator.ts	5	90.57%

Totals
Change from base Build dc31867d-4641-4462-b640-88e523413104:	-0.01%
Covered Lines:	5104
Relevant Lines:	5388

---

💛 - Coveralls

[kamilmysliwiec]

Can we manually implement the isEnum method logic and add it to this class instead of relying on class-validator here?

[kaufmo]

yes I wasn't even happy with that, I'll change this 👍

[kaufmo]

@kamilmysliwiec I've updated the check now

[kamilmysliwiec]

LGTM thanks!