add mysql support

[aliaqa256]

add mysql and mongodb support as write database

[EgeAytin]

Hi @aliaqa256, we'll internally discussed and concluded that we'll add mysql support, ship it this quarter. About the mongodb we'll definitely add it but not seeming in near future.

[madhukaraman]

Hey @EgeAytin can I pick this up ?

[madhukaraman]

@tolgaozen can I pick this up?

[TOHUHM]

any update for mysql integration?

[nickygb]

Im also interested on mysql integration. Any updates?

[romanchechyotkin]

yeah, i also want to work on mongodb integration

[PhilippHandle]

I'm also interested in the mysql support