continue implementation

testarena_app/models.py

@@ -12,6 +12,7 @@ class Queue(Base):
     status = Column(String, default="Waiting") # Finished, Waiting, Running, Aborted
     created_at = Column(DateTime, default=datetime.datetime.utcnow)
     environment = Column(String)
+    source = Column(String) # Branch name
     
     tasks = relationship("Task", back_populates="queue", cascade="all, delete-orphan")