Version Update v1.3.0 Minor fixes

I browsed the forks and saw several from https://github.com/Morasta/JiraDarkTheme so I added them to this branch too!

Thanks Morasta!

In this release:

• Fixes header
• Adds styles
• Complete Sprint btn
• ... button in admin row
• quick filters and nested items

Version Update v1.2.0

• Fixes bright flicker on load
• Styled most of the backlog items
• Fixed input backgrounds

2021 Update - Dark comment boxes fixes and reformat style

Merge pull request #4 from aalvarado/aalvarado-patch-1

2021 Update - Dark comment boxes fixes and reformat style

Fixes secure issue and some bright elements

A new release :) yay!

Jira Dark Gray first hotfix

Setting a bg on the collapsed sidebar.

Initial release

v1.0.0

Update README.md