Update README.md

[bish0polis]

• 3: add words to eliminate comma splice
• 5: add word to fix symmetry and remove ambiguity
• 13: comma splice
• 14: comma splice
• 15: 'set up' and 'setup' are not the same
• 19: comma splice and clarification of email address usage
• 21: comma splice
• 25: colon to delineate supporting independent clause
• 33: colon to delineate supporting independent clause
• 38: comma splice
• 39: colon to delineate supporting independent clause; also 'set up' and 'setup' are not the same, just as 'back up' and 'backup' are not the same

[mawise]

Thank you!