add PackageBlacklist SQLAlchemy ORM model

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

aurweb/models/package_blacklist.py

@@ -0,0 +1,20 @@
+from sqlalchemy import Column, Integer
+from sqlalchemy.exc import IntegrityError
+
+from aurweb.models.declarative import Base
+
+
+class PackageBlacklist(Base):
+    __tablename__ = "PackageBlacklist"
+
+    ID = Column(Integer, primary_key=True)
+
+    __mapper_args__ = {"primary_key": [ID]}
+
+    def __init__(self, Name: str = None):
+        self.Name = Name
+        if not self.Name:
+            raise IntegrityError(
+                statement="Column Name cannot be null.",
+                orig="PackageBlacklist.Name",
+                params=("NULL"))