Feat/decode api update

[ggicci]

Breaking Change

func DecodeTo(req *http.Request, input any, opts ...core.Option) error API has been renamed to DecodeTo, it will populate the given input value instead of creating a new instance internally, updates #101

New API

Added new func Decode[T any](req *http.Request, opts ...core.Option) (*T, error) API, example usage:

type AddUserInput struct {
	Username string `in:"form=username"`
}
if input, err := httpin.Decode[AddUserInput](req); err != nil { ... }
// input.Username

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.78%. Comparing base (c8657ee) to head (e72964c).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #105      +/-   ##
==========================================
+ Coverage   90.67%   90.78%   +0.10%     
==========================================
  Files          34       34              
  Lines        1512     1530      +18     
==========================================
+ Hits         1371     1389      +18     
  Misses         97       97              
  Partials       44       44              

Flag	Coverage Δ
unittests	90.78% <100.00%> (+0.10%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.