[Enhancement] Add media count to sources page (#251)

* [WIP] Got query kinda working, now to refactor other queries

* Refactored all query methods to use dynamic snippets

* Refactored tab layout to grab tabs by name

* Removed standalone show buttons from in-app tables

* Removed unneeded comment

mix.exs

@@ -48,6 +48,7 @@ defmodule Pinchflat.MixProject do
     [
       {:phoenix, "~> 1.7.10"},
       {:phoenix_ecto, "~> 4.4"},
+      {:ecto, "~> 3.11.2"},
       {:ecto_sql, "~> 3.10"},
       {:ecto_sqlite3, ">= 0.0.0"},
       {:ecto_sqlite3_extras, "~> 1.2.0"},