Add the ability to remember completes files to a github pr.
This a tool to help make pull request easier.
It helps by letting you "complete" files.
* This will automatically hide the file
* When you revisit the page it will keep your completed files hidden
* However if there are changes to the file it will "uncomplete" the file and add a thinking emoji
You can also report bar of how much you have completed with your other diffstats
<Beta>
You can share your completion percentage with others when you submit a review to a PR