format past exams table

resources.md

@@ -66,6 +66,8 @@ Exams and practice exams from previous semesters can be found below. These exams
 | Summer 2017 | [Exam](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/su17/data8-su17-midterm.pdf) [(Solutions)](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/su17/data8-su17-midterm-solutions.pdf) | [Exam](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/su17/data8-su17-final.pdf) [(Solutions)](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/su17/data8-su17-final-solutions.pdf) |
 | Spring 2017 | [Exam](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/sp17/data8-sp17-midterm.pdf) [(Solutions)](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/sp17/data8-sp17-midterm-solutions.pdf), [Practice Exam](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/sp17/data8-sp17-practice.pdf) [(Solutions)](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/sp17/data8-sp17-practice-solutions.pdf) | [Exam](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/sp17/data8-sp17-final.pdf) [(Solutions)](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/sp17/data8-sp17-final-solutions.pdf), [Practice Exam](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/sp17/data8-sp17-practice-final.pdf) [(Solutions)](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/sp17/data8-sp17-practice-final-solutions.pdf) |
 | Fall 2016 |  [Exam](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/fa16/data8-fa16-midterm.pdf) | [Exam](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/fa16/data8-fa16-final.pdf) [(Solutions)](https://docs.google.com/viewer?url=https://github.com/data-8/exams/raw/master/fa16/data8-fa16-final-solutions.pdf) |
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 ## Supplemental Videos
 * [Group Animation](https://drive.google.com/file/d/1kOVPDuMt68I62qlhPKrVYTY5VQl7MYJm/view?usp=sharing)
 * [Pivot Animation](https://drive.google.com/file/d/1aOFG3n8pOlQSJrAr3kMI9AofhMykNKbX/view?usp=sharing)