Apprise notifications (#43)

* issue #4 Adding settings screen for apprise URLS
* Adding test notification mechanism

* Move Worker module to own class file

* Adding basic notification URL runner

* Tests for notifications

* Tweak readme with notification info

* Move notification test to main test_backend.py

* Fix spacing

* Adding notifications screenshot

* Cleanup more files from test

* Offer send notification test on individual edits and main/default

* Process global notifications

* All branches test

* Wrap worker notification process in try/catch, use global if nothing set

* Fix syntax

* Handle exception, increase wait time for liveserver to come up

* Fixing test setup

* remove debug

* Split tests into their own totally isolated setups, if you know a better way to make live_server() work, MR :)

* Tidying up lint/imports

.github/workflows/test-only.yml

@@ -1,10 +1,7 @@
 name: Test only
 
-on:
-  push:
-    branches:
-      - /refs/heads/*
-      - !master
+# Triggers the workflow on push or pull request events
+on: [push, pull_request]
 
 jobs:
   build:
@@ -31,5 +28,6 @@ jobs:
           flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
       - name: Test with pytest
         run: |
-          cd backend; pytest
+          # Each test is totally isolated and performs its own cleanup/reset
+          cd backend; ./run_all_tests.sh