Add link to Linux installer (#34)

Author: VirxEC

index.html

@@ -43,8 +43,10 @@ <h5 class="card-title">What is RLBot?</h5>
                         variety of languages and cater to all skill levels. Come learn with us and enter the next tournament!</p>
                     <a href="https://youtu.be/lPkID_IH88U" target="_blank" style="margin-right: 20px">
                         <img style="height:1.5em" src="youtube.png"> Quick Start Video</a>
-                    <a href="https://github.com/RLBot/RLBotGUI/releases/download/v1.0/RLBotGUI.exe" target="_blank">
-                        <img style="height:1.5em" src="rlbot_logo.png"> Download RLBot</a>
+                    <img style="height:1.5em" src="rlbot_logo.png">
+                        <a href="https://github.com/RLBot/RLBotGUI/releases/download/v1.0/RLBotGUI.exe" target="_blank"> RLBot for Windows</a>
+                        or
+                        <a href="https://github.com/RLBot/RLBot/wiki/Operating-System-Support" target="_blank">see our OS support</a>.
                     <br><br>
                     <h6>Make your bot</h6>
                     <ol>