feat(beatmap,score): update beatmaps from Bancho & deleting scores (#50)

New API:

- DELETE /api/private/score/{score_id}: delete a score
- POST /api/private/beatmapsets/{beatmapset_id}/sync: request for syncing a beatmapset

New configuration:

- OLD_SCORE_PROCESSING_MODE

migrations/versions/2025-10-01_2885978490dc_sync_add_beatmap_sync_table.py

@@ -0,0 +1,54 @@
+"""sync: add beatmap sync table
+
+Revision ID: 2885978490dc
+Revises: dc2087561edf
+Create Date: 2025-10-01 12:19:50.485318
+
+"""
+
+from __future__ import annotations
+
+from collections.abc import Sequence
+
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision: str = "2885978490dc"
+down_revision: str | Sequence[str] | None = "dc2087561edf"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "beatmapsync",
+        sa.Column("beatmapset_id", sa.Integer(), nullable=False),
+        sa.Column("beatmaps", sa.JSON(), nullable=True),
+        sa.Column(
+            "beatmap_status",
+            sa.Enum(
+                "GRAVEYARD", "WIP", "PENDING", "RANKED", "APPROVED", "QUALIFIED", "LOVED", name="beatmaprankstatus"
+            ),
+            nullable=False,
+        ),
+        sa.Column("consecutive_no_change", sa.Integer(), nullable=False),
+        sa.Column("next_sync_time", sa.DateTime(), nullable=True),
+        sa.ForeignKeyConstraint(
+            ["beatmapset_id"],
+            ["beatmapsets.id"],
+        ),
+        sa.PrimaryKeyConstraint("beatmapset_id"),
+    )
+    op.create_index(op.f("ix_beatmapsync_beatmap_status"), "beatmapsync", ["beatmap_status"], unique=False)
+    op.create_index(op.f("ix_beatmapsync_next_sync_time"), "beatmapsync", ["next_sync_time"], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("beatmapsync")
+    # ### end Alembic commands ###