feat: unified watch server under org-garden

org-garden/lib/org_garden/application.ex

@@ -0,0 +1,14 @@
+defmodule OrgGarden.Application do
+  @moduledoc false
+  use Application
+
+  @impl true
+  def start(_type, _args) do
+    children = [
+      {Finch, name: OrgGarden.Finch}
+    ]
+
+    opts = [strategy: :one_for_one, name: OrgGarden.AppSupervisor]
+    Supervisor.start_link(children, opts)
+  end
+end