Enha: attempt to do modal popup of clue; must be a better way

models/keys.go

@@ -9,4 +9,5 @@ var (
 	CacheStatePrefix = "state-"
 	// sse
 	NotifyRoomUpdatePrefix = "roomupdate_"
+	NotifyMimePrefix       = "mimeclue_"
 )

models/main.go

@@ -53,6 +53,7 @@ type Room struct {
 	BlueCounter uint8
 	RedCounter  uint8
 	RedTurn     bool // false is blue turn
+	MimeDone    bool
 	IsPublic    bool
 	// GameSettings *GameSettings `json:"settings"`
 	IsRunning bool   `json:"is_running"`