fixes based on PR suggestions

src/primaite/game/agent/agent_log.py

@@ -36,7 +36,7 @@ class AgentLog:
         super().__init__()
         self.agent_name = agent_name if agent_name else "unnamed_agent"
         self.current_timestep: int = 0
-        self.current_episode: int = 0
+        self.current_episode: int = 1
         self.setup_logger()
 
     @property

src/primaite/game/agent/interface.py

@@ -155,7 +155,7 @@ class AbstractAgent(BaseModel, ABC):
 
     @classmethod
     def from_config(cls, config: Dict) -> AbstractAgent:
-        """Grab the relevatn agent class and construct an instance from a config dict."""
+        """Grab the relevant agent class and construct an instance from a config dict."""
         agent_type = config["type"]
         agent_class = cls._registry[agent_type]
         return agent_class(config=config)