Made the elo system work. Colorized the leaderboard. Better data structure. Improved the HTML. Custom form system. Added Sessions

templates/user.html

@@ -1,14 +1,15 @@
 {{define "content"}}
 <div class="card">
-    <h2>@{{.Viewed.Username}}</h2>
-    <p class="small">Joined {{fmtTime .Viewed.CreatedAt}}</p>
-    <p>Game score {{.Stats.Games}}/{{.Stats.Wins}}/{{.Stats.Losses}}</p>
+    <h2>@{{.User.Username}}</h2>
+    <p class="small">Joined {{fmtTime .User.CreatedAt}}</p>
+    <p>Game score {{.User.GameCount}}/{{.User.WinCount}}/{{.User.LossCount}}</p>
+    <p>Current Elo {{.User.Elo}}</p>
     {{if .Own}}
     <hr>
     <h3>Update your profile</h3>
     <form method="POST" action="/me">
         <label class="label">Username</label>
-        <input class="input" name="username" value="{{.Viewed.Username}}" required>
+        <input class="input" name="username" value="{{.User.Username}}" required>
         <div style="height:8px"></div>
         <button class="btn btn-primary">Save</button>
     </form>