[Fix] Mangafree - url with brackets (#1708)

[Fix] Mangafree - url with brackets

src/en/mangafree/build.gradle

@@ -5,7 +5,7 @@ ext {
     appName = 'Tachiyomi: Mangafree'
     pkgNameSuffix = 'en.mangafree'
     extClass = '.Mangafree'
-    extVersionCode = 3
+    extVersionCode = 4
     libVersion = '1.2'
 }
 

src/en/mangafree/src/eu/kanade/tachiyomi/extension/en/mangafree/Mangafree.kt

@@ -135,7 +135,8 @@ class Mangafree : ParsedHttpSource() {
         val urlElement = element.select("a").first()
 
         val chapter = SChapter.create()
-        chapter.setUrlWithoutDomain(urlElement.attr("href"))
+        val url = urlElement.attr("href").replace("[","%255B").replace("]","%255D")
+        chapter.setUrlWithoutDomain(url)
         chapter.name = urlElement.text()
         return chapter
     }