WIP better generated API reference docs

docs/reference/api/Client.md

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+## `Client`
+
+### Constructor
+
+:::
+new Client(opts: [ClientOptions](./ClientOptions.md));
+:::
+
+### Properties
+
+| Name | Type | Description |
+| - | - | - |
+| `connectionPool` | [BaseConnectionPool](./BaseConnectionPool.md) |   |
+| `diagnostic` | [Diagnostic](./Diagnostic.md) |   |
+| `helpers` | [Helpers](./Helpers.md) |   |
+| `name` | string | symbol |   |
+| `serializer` | [Serializer](./Serializer.md) |   |
+| `transport` | [SniffingTransport](./SniffingTransport.md) |   |
+
+### Methods
+
+| Name | Signature | Description |
+| - | - | - |
+| `child` | `child(opts: [ClientOptions](./ClientOptions.md)): [Client](./Client.md);` | Creates a child client instance that shared its connection pool with the parent client || `close` | `close(): Promise<void>;` | Closes all connections in the connection pool. Connections shared with any parent or child instances will also be closed. |