Merge pull request #523 from opticon454/feat/webhook-notifications

feat(notifications): ntfy/Slack/Discord/generic webhook for the push events

# Conflicts:
#	config/test-suites.ts
#	docs/api-reference.md
#	src/web/public/settings-ui.js
#	src/web/routes/index.ts
#	src/web/server.ts

config/test-suites.ts

@@ -33,6 +33,7 @@ export const BROWSER_TEST_GLOBS = [
   'test/split-pane-terminal.browser.test.ts',
   'test/shift-enter-keypress.browser.test.ts',
   'test/key-tester.browser.test.ts',
+  'test/webhook-settings.browser.test.ts',
   'test/split-pane-orchestration.browser.test.ts',
   'test/split-pane-auto-collapse.browser.test.ts',
 ];