Fix search by company name and search by industry name

lib/companies/helper.ex

@@ -5,8 +5,16 @@ defmodule Companies.Helpers do
 
   @default_page_size "16"
 
-  def searched_list(list, _params) do
-    list
+  def searched_list(list, params) do
+    search_param = params["search"]["text"]
+    if search_param do
+      Enum.filter(list, fn %{name: name, industry: industry} ->
+        String.contains?(String.downcase(name), String.downcase(search_param)) or
+          String.contains?(String.downcase(industry), String.downcase(search_param))
+      end)
+    else
+      list
+    end
   end
 
   def sorted_list(list, params) do