Merge pull request #5355 from bensynapse/add-tennis-topic

Curate the tennis topic

Author: ahpook

topics/tennis/index.md

@@ -0,0 +1,8 @@
+---
+display_name: Tennis
+short_description: Tennis is a racket sport played by two or four players on a rectangular court divided by a net.
+topic: tennis
+wikipedia_url: https://en.wikipedia.org/wiki/Tennis
+related: sports, atp, wta
+---
+Tennis is a racket sport in which players hit a ball over a net into the opponent's court, with matches scored in points, games, and sets. On GitHub, this topic covers software connected with the sport, such as implementations of its scoring system, tools for analyzing match and player statistics, tournament draw and club management applications, and match simulations.