Update README.md (#69)

* Update README.md

* Update README.md

Thanks for the feedback. I updated the entry with a cleaner description and fixed the spacing/formatting issue.

LoL-Tracker is now described as a team performance tracker for League of Legends Flex squads and competitive teams, which better reflects the project without being too promotional.

Author: BrissouLaChankla

README.md

@@ -109,6 +109,8 @@ Join the [Riot Games Third Party Developer Community](https://discordapp.com/inv
 
 * [LeagueStats](https://leaguestats.gg/) - Website that provides global complete data for all League of Legends summoners.
 
+* [LoL-Tracker](https://lol-tracker.com/) - Team performance tracker for League of Legends Flex squads and competitive teams.
+
 * [LeagueStreams.gg](https://leaguestreams.gg) - Browse through Live League of Legends Streams with in-Game Informations or watch thousands of VODs by Champion, Lane or even Opponent.
 
 * [Weered](https://weered.ca) - Lobby and voice-room platform for League communities; pulls summoner profiles, ranked leaderboards, and free rotation via the Riot API.