add mangarock and simkl

closes #127 and #123

readme.md

@@ -1119,6 +1119,7 @@ premium services
 - [Madokami novels, raws and artbooks](https://archive.org/download/Madokami.NotManga) Download novels, manga raws and artbooks.
 - [MangaZone](http://mangazoneapp.com/) A manga reader app.
 - [NineAnime](https://www.nineanime.com/) Updated/Active Manga Site
+- [MangaRock](https://mangarock.com) Another manga site with a decent in-browser reader
 
 ## Documentaries
 - [/r/Documentaries](https://www.reddit.com/r/documentaries) Popular documentaries subreddit
@@ -1369,6 +1370,7 @@ premium services
 - [WhereYouWatch](https://whereyouwatch.com/latest-reports/) Follow upcoming movies and receive email alerts when they are out online as a download or stream – pirated or via retail.
 - [Flickmetrix](https://flickmetrix.com/) Movie database search engine with disc/Netflix/Prime filtering
 - [dvdsreleasedates.com](https://www.dvdsreleasedates.com/) The latest info on new Blu-ray and DVD releases
+- [Simkl](https://simkl.com/) Movie and TV show scrobbler similar to Trakt.tv
 
 ### PreDB Sites
 - [Urban Dictionary: predb](https://www.urbandictionary.com/define.php?term=predb) Urban Dictionary definition