src: add Youtube and TheMovieDB API

This commit adds the Youtube and TheMovieDB API.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
test: add JUnit tests

Add JUnit tests for Youtube and TheMovieDB.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>