Add the "Alien Trilogy" game in the list of game titles

[KAUTH]

In game_list.js, add another item in the game_List array with the following values:
"id": 30,
"title": "Alien Trilogy",
"src": "https://www.retrogames.cc/embed/40791-alien-trilogy.html"

For more details check out the HACKTOBERFEST-CONTRIBUTING.md file.