docs+rules: teach httputil.Bind/BindEmpty (web v1.6.0); v1.3.4

Builtins README gains Bind/BindEmpty adapter rows + a path/query binding section
(uuid/time via TextUnmarshaler; default: with min not omitempty,min). New info
rule httputil.prefer-bind flags hand-rolled chi.URLParam / r.URL.Query() reads and
points to Bind. Escape-hatch note rescoped to custom responses only.

internal/rules/bind_rules_test.go

@@ -0,0 +1,48 @@
+package rules
+
+import "testing"
+
+const urlParamSnippet = `package handler
+
+import "github.com/go-chi/chi/v5"
+
+func (h *Handler) f(r *http.Request) {
+	id := chi.URLParam(r, "id")
+	_ = id
+}
+`
+
+const urlQuerySnippet = `package handler
+
+func (h *Handler) f(r *http.Request) {
+	page := r.URL.Query().Get("page")
+	_ = page
+}
+`
+
+const boundHandlerSnippet = `package handler
+
+import "code.nochebuena.dev/einherjar/web/httputil"
+
+func (h *Handler) f() {
+	_ = httputil.Bind(h.v, h.logger, h.get)
+}
+`
+
+func TestPreferBindFiresOnURLParam(t *testing.T) {
+	if got := findingsFor(Run(urlParamSnippet), "httputil.prefer-bind"); len(got) == 0 {
+		t.Fatal("httputil.prefer-bind did not fire on chi.URLParam")
+	}
+}
+
+func TestPreferBindFiresOnURLQuery(t *testing.T) {
+	if got := findingsFor(Run(urlQuerySnippet), "httputil.prefer-bind"); len(got) == 0 {
+		t.Fatal("httputil.prefer-bind did not fire on r.URL.Query()")
+	}
+}
+
+func TestPreferBindNoFalsePositiveOnBind(t *testing.T) {
+	if got := findingsFor(Run(boundHandlerSnippet), "httputil.prefer-bind"); len(got) != 0 {
+		t.Errorf("httputil.prefer-bind false-positived on a Bind handler: %+v", got)
+	}
+}