feat: PocketVeto v1.0.0 — initial public release

Self-hosted US Congress monitoring platform with AI policy briefs,
bill/member/topic follows, ntfy + RSS + email notifications,
alignment scoring, collections, and draft-letter generator.

Authored by: Jack Levy

backend/alembic/versions/0006_add_brief_govinfo_url.py

@@ -0,0 +1,21 @@
+"""add govinfo_url to bill_briefs
+
+Revision ID: 0006
+Revises: 0005
+Create Date: 2026-02-28
+"""
+import sqlalchemy as sa
+from alembic import op
+
+revision = "0006"
+down_revision = "0005"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column("bill_briefs", sa.Column("govinfo_url", sa.String(), nullable=True))
+
+
+def downgrade():
+    op.drop_column("bill_briefs", "govinfo_url")