message: docs(install): ubuntu default-libmysqlclient-dev
  add `default-libmysqlclient-dev` to required OS dependencies for ubuntu
diff: @@ -18,13 +18,13 @@ level dependencies.
  The following command will ensure that the required dependencies are installed:
  ```
  -sudo apt-get install build-essential libssl-dev libffi-dev python-dev python-pip libsasl2-dev libldap2-dev
  +sudo apt-get install build-essential libssl-dev libffi-dev python-dev python-pip libsasl2-dev libldap2-dev default-libmysqlclient-dev
  ```
  In Ubuntu 20.04 the following command will ensure that the required dependencies are installed:
  ```
  -sudo apt-get install build-essential libssl-dev libffi-dev python3-dev python3-pip libsasl2-dev libldap2-dev
  +sudo apt-get install build-essential libssl-dev libffi-dev python3-dev python3-pip libsasl2-dev libldap2-dev default-libmysqlclient-dev
  ```
  **Fedora and RHEL-derivative Linux distributions**
  