Add history description (#98)

Closes #20

Reviewed-on: #98

backend/main.go

@@ -539,6 +539,11 @@ func postHistory(c *gin.Context) {
 		return
 	}
 
+	if historyRequest.Description == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Description cannot be empty"})
+		return
+	}
+
 	exists, err := db.UserExists(userId)
 	if err != nil {
 		log.Printf(ErrCheckingUserExist, err)