Add search to the Hugo website

hugo/hugo.toml

@@ -48,30 +48,36 @@ includeFiles = [".htaccess"]
     defaultOpen = false
     autoCollapse = true
 
+[[menus.main]]
+  name = "Search"
+  weight = 1
+  [menus.main.params]
+    type = "search"
+
 [[menus.main]]
   name = "Home"
   pageRef = "/docs"
-  weight = 1
+  weight = 2
 
 [[menus.main]]
   name = "Github"
   url = "https://github.com/ETLCPP/etl.git"
-  weight = 2
+  weight = 3
 
 [[menus.main]]
   name = "Slack"
   url = "https://slofile.com/slack/etlcpp"
-  weight = 3
+  weight = 4
 
 [[menus.main]]
   name = "Arduino"
   url = "https://github.com/ETLCPP/etl-arduino/archive/master.zip"
-  weight = 4
+  weight = 5
 
 [[menus.main]]
   name = "Blog"
   pageRef = "/docs/blog"
-  weight = 5
+  weight = 6
 
 [[menus.main]]
 name = "About"