[SLOYD] Playground add header

templates/playground/header.tmpl

@@ -0,0 +1,13 @@
+<div class="secondary-nav">
+	<overflow-menu class="ui container secondary pointing tabular top attached borderless menu tw-pt-0 tw-my-0">
+			<div class="overflow-menu-items">
+					<a class="{{if .IsRepoFlagsPage}}active {{end}}item" href="{{AppSubUrl}}/playground">
+						{{svg "octicon-stack"}} Playground
+					</a>
+					<a class="{{if .IsRepoFlagsPage}}active {{end}}item" href="{{AppSubUrl}}/playground/repl-iframe">
+						{{svg "octicon-terminal"}} Repl
+					</a>
+			</div>
+
+	</overflow-menu>
+</div>

templates/playground/playground.tmpl

@@ -1,4 +1,7 @@
 {{template "base/head" .}}
+
+{{template "playground/header" .}}
+
 {{if .IsSigned}}
 User : 	{{.UserName}}
 {{else}}

templates/playground/repl-iframe.tmpl

@@ -1,10 +1,12 @@
 
 {{template "base/head" .}}
 
+{{template "playground/header" .}}
+
 <iframe
   src="https://jupyterlite.github.io/demo/repl/index.html?kernel=python"
   width="100%"
-  height="100%"
+  height="97%"
 ></iframe>