Initialize context in NewApp function and fix indentation issue in fetchLogs function.

app.go

@@ -21,6 +21,7 @@ type App struct {
 func NewApp() *App {
 	return &App{
 		ctx: context.Background(),
+		}
 	}
 }
 
@@ -54,7 +55,7 @@ func (a *App) fetchLogs() {
 		if err != nil {
 			fmt.Println("Error fetching logs:", err)
 			continue
-		for _, log := range logs {
+			for _, log := range logs {
 			if !processedLogs[log.MsgHash+log.Timestamp] {
 				processedLogs[log.MsgHash+log.Timestamp] = true
 				color := generateColor(log.MsgHash)