feat: adding "+" buttons to sidebar titles

lib/bds/import_definitions.ex

@@ -0,0 +1,37 @@
+defmodule BDS.ImportDefinitions do
+  @moduledoc false
+
+  import Ecto.Query
+
+  alias BDS.ImportDefinitions.ImportDefinition
+  alias BDS.Persistence
+  alias BDS.Repo
+
+  def create_definition(attrs) do
+    now = Persistence.now_ms()
+
+    %ImportDefinition{}
+    |> ImportDefinition.changeset(%{
+      id: Ecto.UUID.generate(),
+      project_id: attr(attrs, :project_id),
+      name: attr(attrs, :name) || "",
+      wxr_file_path: attr(attrs, :wxr_file_path),
+      uploads_folder_path: attr(attrs, :uploads_folder_path),
+      last_analysis_result: attr(attrs, :last_analysis_result),
+      created_at: now,
+      updated_at: now
+    })
+    |> Repo.insert()
+  end
+
+  def list_definitions(project_id) do
+    Repo.all(
+      from definition in ImportDefinition,
+        where: definition.project_id == ^project_id,
+        order_by: [desc: definition.updated_at, desc: definition.created_at],
+        select: %{id: definition.id, title: definition.name, updated_at: definition.updated_at}
+    )
+  end
+
+  defp attr(attrs, key), do: Map.get(attrs, key) || Map.get(attrs, Atom.to_string(key))
+end