Search v1 (#19)

* Adds description to media items; hooks it up to indexing/media downloading

* Added a search method using postgres fulltext search

* Hooked up search functionality to the search form

* Added persistence to the search form when on search page

test/pinchflat_web/controllers/search_controller_test.exs

@@ -0,0 +1,10 @@
+defmodule PinchflatWeb.SearchControllerTest do
+  use PinchflatWeb.ConnCase
+
+  describe "show search" do
+    test "renders the page", %{conn: conn} do
+      conn = get(conn, ~p"/search")
+      assert html_response(conn, 200) =~ "Results"
+    end
+  end
+end