[WIP][Adapter] Support PDO_SQLITE driver

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| Tests pass?   | no
| License       | MIT
| Doc PR        | none

Currently, the library supports `PDO_MYSQL`, `PDO_PGSQL` & `Mysqli` drivers. We should allow to deal with `PDO_SQLITE` driver.