Add README section "how to contribute"
Add README section "how to contribute"
schambers/fluentmigrator,spaccabit/fluentmigrator,amroel/fluentmigrator,eloekset/fluentmigrator,amroel/fluentmigrator,stsrki/fluentmigrator,igitur/fluentmigrator,eloekset/fluentmigrator,spaccabit/fluentmigrator,fluentmigrator/fluentmigrator,fluentmigrator/fluentmigrator,schambers/fluentmigrator,stsrki/fluentmigrator,igitur/fluentmigrator