Add home page and search page

pug/includes/layout.pug

@@ -10,6 +10,7 @@ html
   body.show-focus
     nav.main-nav
       a(href="/").link.home CloudTube
-      input(type="text" placeholder="Search" name="q" autocomplete="off").search
+      form(method="get" action="/search").search-form
+        input(type="text" placeholder="Search" name="q" autocomplete="off").search
 
     block content

pug/includes/video-list-item.pug

@@ -0,0 +1,16 @@
+mixin video_list_item(video)
+  - let link = `/watch?v=${video.videoId}`
+  a(href=link).thumbnail
+    img(src=`https://i.ytimg.com/vi/${video.videoId}/mqdefault.jpg` width=320 height=180 alt="").image
+    span.duration= video.second__lengthText
+  .info
+    div.title: a(href=link).title-link= video.title
+    div.author-line
+      a(href=`/channel/${video.authorId}`).author= video.author
+      if video.publishedText
+        = ` • `
+        span.published= video.publishedText
+      = ` • `
+      span.views= video.viewCountText || video.second__viewCountText
+    if video.descriptionHtml
+      div.description!= video.descriptionHtml