feat: add support for redirecting trailing slashes

[nigrosimone]

Express treats URLs with and without a trailing slash as the same route, while µExpress considers them as two distinct route. If you want to standardize the behavior in µExpress, you can enable redirection of URLs with a trailing slash to their version without a trailing slash using redirect trailing slash

also close #87

[pkg-pr-new]

Open in Stackblitz

npm i https://pkg.pr.new/dimdenGD/ultimate-express@90

commit: de8b000

[dimdenGD]

uExpress should support both trailing slash and no trailing slash (and it already mostly does, except theres a bug that needs to be fixed)