fix(hentai4free, nyanukafe): match Kotlin source overrides

hentai4free: Use search-based URLs for popular/latest with m_orderby
param (views/latest), matching Kotlin's popularMangaRequest override

nyanukafe: Set custom selectors for popular listing and detail fields

sources/en/hentai4free/hentai4free.go

@@ -1,6 +1,9 @@
 package hentai4free
 
 import (
+	"fmt"
+	"net/url"
+
 	"goyomi/internal/registry"
 	base "goyomi/sources/base/madara"
 )
@@ -12,7 +15,19 @@ func New() *base.Source {
 		Lang:                  "en",
 		MangaSubString:        "hentai",
 		UseNewChapterEndpoint: true,
+		PopularMangaSelector:  "div.c-tabs-item__content, div.page-item-detail, .manga__item",
+		PopularURL: func(page int) string {
+			return searchURL("https://hentai4free.net", "views", page)
+		},
+		LatestURL: func(page int) string {
+			return searchURL("https://hentai4free.net", "latest", page)
+		},
 	})
 }
 
+func searchURL(base, order string, page int) string {
+	return fmt.Sprintf("%s/?s=&post_type=wp-manga&paged=%d&m_orderby=%s",
+		base, page, url.QueryEscape(order))
+}
+
 func init() { registry.Register(New()) }

sources/en/nyanukafe/nyanukafe.go

@@ -10,9 +10,13 @@ func New() *base.Source {
 		Name:    "Nyanu Kafe",
 		BaseURL: "https://nyanukafe.com",
 		Lang:    "en",
+
+		PopularSelector:     ".series-splide .splide__slide:not(.splide__slide--clone)",
+		DescriptionSelector: "div.grid > div#expand_content > p",
+		StatusSelector:      "div.w-full.flex-wrap > div:eq(3) > div:last-child",
+		AuthorSelector:      "div.w-full.flex-wrap > div:eq(0) > div:last-child",
+		ArtistSelector:      "div.w-full.flex-wrap > div:eq(1) > div:last-child",
 	})
 }
 
-func init() {
-	registry.Register(New())
-}
+func init() { registry.Register(New()) }