Extract presence module and add SVG status icons

Move quick status buttons into dedicated presence.ts/css module with
Font Awesome SVG icons (briefcase, headphones, grill, beer mug,
screen-users). Bump version to 9.5.0.

client/src/index.js

@@ -2,6 +2,7 @@
 import * as chrono from 'chrono-node'
 import { CallHistory } from './call-history'
 import { CallNotification } from './call-notification'
+import { Presence } from './presence'
 import { Search } from './search'
 import { Status } from './status'
 
@@ -11,6 +12,10 @@ const search = new Search()
 // eslint-disable-next-line no-undef
 waitForKeyElements('ongoing-call-button', (element) => { search.createSearchWindow(element) }, false)
 
+const presence = new Presence()
+// eslint-disable-next-line no-undef
+waitForKeyElements('#tapiForm', (element) => { presence.createButtons(element) }, true)
+
 const callNotification = new CallNotification()
 // eslint-disable-next-line no-undef
 waitForKeyElements('call-view', (element) => { callNotification.showCallNotification(element) }, false)