Adding breaks between courses

teaching.md

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 				"<i>Omar is an incredible teacher who explains concepts well and clearly demonstrates a passion for the subject and for teaching in general.</i>"
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 		<b>STR TECH 01/02: Strategy and Technology</b><br>
 		<i>Harvard University; HBS</i><br>
 		Teaching Fellow for MBA Course<br>
 		Fall 2023<br>
 		Class size: 50 per section
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 		<b>API222: Machine Learning and Big Data Analytics</b><br>
 		<i>Harvard University; Kennedy School of Government</i><br>