Feat livestream support (#180)

* experimental livestrea support

* test livestream

* update wait time detection

* update livestream functions

* persist and restore livestreams monitor session

* fan-in logging

* deps update

* added live time display

* livestream monitor prototype

* changed to default logger instead of passing *slog.Logger everywhere

* code refactoring, comments

frontend/src/components/livestream/LivestreamSpeedDial.tsx

@@ -0,0 +1,34 @@
+import AddCircleIcon from '@mui/icons-material/AddCircle'
+import DeleteForeverIcon from '@mui/icons-material/DeleteForever'
+import { SpeedDial, SpeedDialAction, SpeedDialIcon } from '@mui/material'
+import { useI18n } from '../../hooks/useI18n'
+
+type Props = {
+  onOpen: () => void
+  onStopAll: () => void
+}
+
+const LivestreamSpeedDial: React.FC<Props> = ({ onOpen, onStopAll }) => {
+  const { i18n } = useI18n()
+
+  return (
+    <SpeedDial
+      ariaLabel="Home speed dial"
+      sx={{ position: 'absolute', bottom: 64, right: 24 }}
+      icon={<SpeedDialIcon />}
+    >
+      <SpeedDialAction
+        icon={<DeleteForeverIcon />}
+        tooltipTitle={i18n.t('abortAllButton')}
+        onClick={onStopAll}
+      />
+      <SpeedDialAction
+        icon={<AddCircleIcon />}
+        tooltipTitle={i18n.t('newDownloadButton')}
+        onClick={onOpen}
+      />
+    </SpeedDial>
+  )
+}
+
+export default LivestreamSpeedDial