Fix link and copyedit the text
Fix link and copyedit the text

Fixed the link to the First Run of Apollo Universal Starter Kit section. Removed a typo and re-wrote several sentences.
sysgears/apollo-universal-starter-kit,sysgears/apollo-universal-starter-kit,sysgears/apollo-fullstack-starter-kit,sysgears/apollo-universal-starter-kit,sysgears/apollo-universal-starter-kit