Sqlite: add course (#6606)

* Added SQLite course

fix CI

Move to books rather than courses

Update books/free-programming-books-langs.md

* Update books/free-programming-books-langs.md

* C

books/free-programming-books-langs.md

@@ -2291,6 +2291,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [SQL For Web Nerds](http://philip.greenspun.com/sql/)
 * [SQL Notes for Professionals](http://goalkicker.com/SQLBook/) - Compiled from StackOverflow Documentation (PDF)
 * [SQL Queries Succinctly](https://www.syncfusion.com/ebooks/sql_queries_succinctly) - Nick Harrison
+* [SQLite Tutorial](https://www.tutorialspoint.com/sqlite)
 * [Use The Index, Luke!: A Guide To SQL Database Performance](http://use-the-index-luke.com)