Fix #13 - Create summary tab

[Suryakandukoori]

Summary:

Created a new tab called Summary and moved related charts to this tab.

Expected behavior:

No change in behavior

Please make sure these boxes are checked before submitting your pull request - thanks!

• [X] Run the unit tests with mvn test to make sure you didn't break anything
• [X] Format the title like "Fix #issue - short description of fix and changes"
• [X] Linked all relevant issues
• [X] Include screenshot(s) showing how this pull request works and fixes the issue(s)

[barbeau]

Thanks @Suryakandukoori!