add ApiRateLimit SQLAlchemy ORM model

Signed-off-by: Kevin Morris <kevr@0cost.org>

aurweb/models/api_rate_limit.py

@@ -0,0 +1,15 @@
+from sqlalchemy.orm import mapper
+
+from aurweb.schema import ApiRateLimit as _ApiRateLimit
+
+
+class ApiRateLimit:
+    def __init__(self, IP: str = None,
+                 Requests: int = None,
+                 WindowStart: int = None):
+        self.IP = IP
+        self.Requests = Requests
+        self.WindowStart = WindowStart
+
+
+mapper(ApiRateLimit, _ApiRateLimit, primary_key=[_ApiRateLimit.c.IP])