Add recent blocks table

The table will be used in the future to facilitate reorg handling.

Author: jannikluhn

rolling-shutter/chainobserver/db/keyper/models.sqlc.gen.go

@@ -5,3 +5,12 @@ CREATE TABLE keyper_set(
        threshold integer NOT NULL,
        PRIMARY KEY (keyper_config_index)
 );
+
+CREATE TABLE recent_block (
+       block_hash bytea NOT NULL,
+       block_number bigint NOT NULL,
+       parent_hash bytea NOT NULL,
+       timestamp bigint NOT NULL,
+       header bytea NOT NULL,
+       PRIMARY KEY (block_number)
+);