add uuid function and unit test

[cdituri]

Adds a provider::assert::uuid() function to use in assertions 🚀 Cheers

---

PS C:\Go\src\github.com\hashicorp\terraform-provider-assert> go test -v -run "^TestUUID.*" ./...
?       github.com/hashicorp/terraform-provider-assert  [no test files]
=== RUN   TestUUIDFunction
=== PAUSE TestUUIDFunction
=== RUN   TestUUIDFunction_empty_uuid
=== PAUSE TestUUIDFunction_empty_uuid
=== RUN   TestUUIDFunction_falseCases
=== PAUSE TestUUIDFunction_falseCases
=== CONT  TestUUIDFunction
=== CONT  TestUUIDFunction_falseCases
=== CONT  TestUUIDFunction_empty_uuid
--- PASS: TestUUIDFunction_empty_uuid (1.94s)
--- PASS: TestUUIDFunction_falseCases (2.95s)
--- PASS: TestUUIDFunction (3.98s)
PASS
ok      github.com/hashicorp/terraform-provider-assert/internal/provider        (cached)

PS C:\Go\src\github.com\hashicorp\terraform-provider-assert> make test | Select-Object -Last 10
    --- PASS: TestRegexMatchesFunction_falseCases/complex_pattern_with_digit_not_matching (4.98s)
    --- PASS: TestRegexMatchesFunction_falseCases/pattern_with_character_class_not_matching (4.91s)
    --- PASS: TestRegexMatchesFunction_falseCases/pattern_with_non-capturing_group_not_matching (4.17s)
    --- PASS: TestRegexMatchesFunction_falseCases/pattern_with_alternation_not_matching (4.24s)
    --- PASS: TestRegexMatchesFunction_falseCases/pattern_with_optional_group_not_present (3.64s)
--- PASS: TestPositiveFunction_falseCases (13.95s)
--- PASS: TestNegativeFunction_falseCases (13.42s)
PASS
coverage: 89.5% of statements
ok      github.com/hashicorp/terraform-provider-assert/internal/provider        (cached)        coverage: 89.5% of statements

[hashicorp-cla-app]

All committers have signed the CLA.

[bschaatsbergen]

Hey @cdituri 👋🏼, thank you for submitting this pull request. I’ll review it as soon as possible and get back to you.

[cdituri]

Swapping out packages for google/uuid makes much sense. Thanks for taking a pass at this PR and polishing things up, @bschaatsbergen. Looks great! 🚀