add a page for tickets from gitea (#2)

Co-authored-by: Blake Ridgway <blake@blakeridgway.com>
Reviewed-on: #2

templates/stream.html

@@ -0,0 +1,22 @@
+{{define "title"}}Stream — Ridgway Systems{{end}}
+{{define "meta-desc"}}Watch the Ridgway Systems live stream.{{end}}
+
+{{define "content"}}
+<div class="page-header">
+  <h1>Live Stream</h1>
+  {{if .Live}}
+  <p class="page-desc"><span class="live-badge">&#x25CF; live</span> Streaming now on Twitch.</p>
+  {{else}}
+  <p class="page-desc">Not currently live. Follow on <a href="https://twitch.tv/{{.Channel}}" target="_blank" rel="noopener">Twitch</a> to get notified.</p>
+  {{end}}
+</div>
+
+<div class="stream-player">
+  <iframe
+    src="https://player.twitch.tv/?channel={{.Channel}}&parent={{.Parent}}&autoplay=false"
+    height="100%"
+    width="100%"
+    allowfullscreen>
+  </iframe>
+</div>
+{{end}}