[Enhancement] Add Apprise support (#170)

* [WIP] add settings sidebar entry and placeholder page

* [WIP] added placeholder UI and logic for settings form

* Added column and UI for apprise server

* Add some tests

* Added placeholder command runner for apprise

* [WIP] Adding apprise package

* Added apprise command runner

* Hooked up apprise notification module

* Ensured apprise was running in verbose mode

* Updated wording of apprise notification

* Added apprise to README

priv/repo/migrations/20240404221551_add_apprise_servers_to_settings.exs

@@ -0,0 +1,9 @@
+defmodule Pinchflat.Repo.Migrations.AddAppriseServersToSettings do
+  use Ecto.Migration
+
+  def change do
+    alter table(:settings) do
+      add :apprise_server, :string
+    end
+  end
+end

priv/repo/migrations/20240408181121_add_apprise_version_to_settings.exs

@@ -0,0 +1,9 @@
+defmodule Pinchflat.Repo.Migrations.AddAppriseVersionToSettings do
+  use Ecto.Migration
+
+  def change do
+    alter table(:settings) do
+      add :apprise_version, :string
+    end
+  end
+end