initial commit: Plex Age Limit Setter

FastAPI service that syncs content ratings on Plex libraries,
with MCP tool server, scheduled sync, and Podman Quadlet deployment.

app/config.py

@@ -0,0 +1,15 @@
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    plex_baseurl: str = "http://host.containers.internal:32400"
+    plex_token: str = ""
+    plex_username: str = ""
+    plex_password: str = ""
+    log_level: str = "INFO"
+    trigger_rate_limit: int = 60
+    schedule_interval_minutes: int = 5
+    target_content_rating: str = "2"
+    target_library: str = "BorneVideo"
+
+    model_config = {"env_file": ".env", "env_file_encoding": "utf-8"}