templates: fix typo in repo/home.tmpl (#4845)

templates/repo/home.tmpl

@@ -63,7 +63,7 @@
 					</div>
 				{{end}}
 
-				<!-- Only show colne panel in repository home page -->
+				<!-- Only show clone panel in repository home page -->
 				{{if eq $n 0}}
 					<div class="ui action small input" id="clone-panel">
 						{{if not $.DisableHTTP}}