Add more thanks to readme and mention vertical centering from pr 116

Author: itsjunetime

CHANGELOG.md

@@ -1,11 +1,13 @@
 # Unreleased
 
 - Switched simd base64 crate for one that works on stable (from `vb64` to `base64_simd`)
-- Allow boolean arguments to function as flags, without a `true` or `false` argument following the flag itself
+- Allow boolean arguments to function as flags, without a `true` or `false` argument following the flag itself (thanks [@tatounee](https://github.com/tatounee)!)
 - Fix cropping issues when zooming out too much while using kitty protocol
 - Added `gg` and `G` keybindings for scrolling to the top and bottom of a page, respectively, when filling the width of the screen with kitty
 - Updated help page to only show kitty keybindings when you're actually using kitty
-- Map page-up and page-down keybindings to do the same thing as up-key and down-key
+- Map page-up and page-down keybindings to do the same thing as up-key and down-key (thanks [@maxdexh](https://github.com/maxdexh)!)
+- Vertically center pages within the available space if they are not constrained by the height (thanks [@maxdexh](https://github.com/maxdexh)!)
+
 
 # v0.4.3