Web interface improvements

[morucci]

• Interface improvements

• [ ] Migrate group and workspace list to tables
• [ ] Remove the remaining bootstrap
• [ ] Add horizontal scroll bar to the board page
• [ ] Center filter box in top Menu
• [ ] Fix Patternfly burger Menu not displayed when window size is reduced
• [ ] Active Authors - Add a main card with Title and Tooltip
• [ ] Repos summary - Set logo + tooltip