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

server/internal/livestream/status.go

@@ -0,0 +1,11 @@
+package livestream
+
+import "time"
+
+type LiveStreamStatus = map[string]Status
+
+type Status = struct {
+	Status   int
+	WaitTime time.Duration
+	LiveDate time.Time
+}