Update README with Jekyll launch tips
Update README with Jekyll launch tips

LindsayYoung/openFEC-documentation,dhcole/test-site-4,dhcole/docs,vzvenyach/developer-hub,dhcole/developer-hub,adelevie/developer-hub,YOTOV-LIMITED/developers,transparency-treasury/developer-hub,dhcole/docs,transparency-treasury/developer-hub,LindsayYoung/openFEC-documentation,vzvenyach/developer-hub,18F/openFEC-documentation,msecret/openFEC-documentation,dhcole/ms-test-3,transparency-treasury/developer-hub,dhcole/developer-hub,GailSwanson/developer-hub,LindsayYoung/openFEC-documentation,dhcole/test-site-4,18F/openFEC-documentation,dhcole/developer-hub,msecret/openFEC-documentation,dhcole/test-site-4,adelevie/developer-hub,dhcole/ms-test-3,YOTOV-LIMITED/developers,adelevie/developer-hub,msecret/openFEC-documentation,GailSwanson/developer-hub,dhcole/docs,vzvenyach/developer-hub,dhcole/ms-test-3,GailSwanson/developer-hub,YOTOV-LIMITED/developers