Improve expand button and styling

[fdiblen]

Refs: #44 #45

Changes

• Show expand button only when it is necessary
• Adjust alignment (center everything except url)
• Always show sorting arror
• Adjust header font
• Adjust body font
• Adjust icon sizes
• Smaller font size for stdout and stderror
• Show expand button only if there is stderr or stdout
• Show stderr and stdout only when they exist

How to test

1. Add some urls to a txt file Example file content:

   https://github.com/SCM-NV/qmflows
   https://github.com/3D-e-Chem/sygma
   https://github.com/3D-e-Chem/3D-e-Chem-VM
   https://github.com/NLeSC/ahn-pointcloud-viewer-ws
   https://github.com/NLeSC/ahn-pointcloud-viewer
   https://github.com/nlesc-ave/ave-rest-service

2. Run fairtally fairtally --input-file rsd-urls.txt
3. Compare tally.html with the screenshot below

Screenshot