Implement Trust Authentication

.circleci/pgcat_trust.toml

@@ -0,0 +1,21 @@
+
+[general]
+host = "0.0.0.0"
+port = 6432
+admin_username = "admin_user"
+admin_password = ""
+admin_auth_type = "trust"
+
+[pools.sharded_db.users.0]
+username = "sharding_user"
+password = "sharding_user"
+auth_type = "trust"
+pool_size = 10
+min_pool_size = 1
+pool_mode = "transaction"
+
+[pools.sharded_db.shards.0]
+servers = [
+  [ "127.0.0.1", 5432, "primary" ],
+]
+database = "shard0"