first with full handle over rpm

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

internal/store/migrations/000003_sync.up.sql

@@ -0,0 +1,18 @@
+ALTER TABLE repos ADD COLUMN sync_mode TEXT NOT NULL DEFAULT 'auto'
+    CHECK(sync_mode IN ('auto', 'manual'));
+
+CREATE TABLE IF NOT EXISTS pending_packages (
+    id            INTEGER  PRIMARY KEY AUTOINCREMENT,
+    repo_id       INTEGER  NOT NULL REFERENCES repos(id) ON DELETE CASCADE,
+    name          TEXT     NOT NULL,
+    version       TEXT     NOT NULL,
+    arch          TEXT     NOT NULL,
+    location      TEXT     NOT NULL,
+    checksum      TEXT     NOT NULL,
+    checksum_type TEXT     NOT NULL,
+    size          INTEGER  NOT NULL DEFAULT 0,
+    created_at    DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(repo_id, name, version, arch)
+);
+
+CREATE INDEX IF NOT EXISTS idx_pending_packages_repo_id ON pending_packages(repo_id);