Merge pull request #596 from plausible/metmarkosaric-patch-30

new shortcuts

Author: metmarkosaric

docs/keyboard-shortcuts.md

@@ -14,8 +14,11 @@ We've tried to make Plausible as usable and accessible as possible with just a k
 | E           | Yesterday         |
 | R           | Realtime          |
 | W           | Last 7 days       |
+| F           | Last 28 days      |
 | T           | Last 30 days      |
+| N           | Last 90 days      |
 | M           | Month to Date     |
+| P           | Last month        |
 | Y           | Year to Date      |
 | S           | Last 6 months     |
 | L           | Last 12 months    |