[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

test/pinchflat/utils/cli_utils_test.exs

@@ -0,0 +1,23 @@
+defmodule Pinchflat.Utils.CliUtilsTest do
+  use ExUnit.Case, async: true
+
+  alias Pinchflat.Utils.CliUtils
+
+  describe "parse_options/1" do
+    test "it converts symbol k-v arg keys to kebab case" do
+      assert ["--buffer-size", "1024"] = CliUtils.parse_options(buffer_size: 1024)
+    end
+
+    test "it keeps string k-v arg keys untouched" do
+      assert ["--under_score", "1024"] = CliUtils.parse_options({"--under_score", 1024})
+    end
+
+    test "it converts symbol arg keys to kebab case" do
+      assert ["--ignore-errors"] = CliUtils.parse_options(:ignore_errors)
+    end
+
+    test "it keeps string arg keys untouched" do
+      assert ["-v"] = CliUtils.parse_options("-v")
+    end
+  end
+end