docs: update screenshots and add new panels

docs/Panels.md

@@ -113,3 +113,15 @@ panel: zcalibrate
 panel: limits
 ```
 ![Limits](img/panels/limits.png)
+
+### Retraction
+```py
+panel: retraction
+```
+![Limits](img/panels/retraction.png)
+
+### Input Shapers
+```py
+panel: input_shaper
+```
+![Limits](img/panels/input_shaper.png)

docs/Troubleshooting.md

@@ -78,7 +78,7 @@ follow the manufacturer instructions on how to physically connect the screen and
 
 ## The screen starts flashing colors or stays all blue/white or shows 'No signal' when idle
 
-In KliperrScreen settings find 'Screen DPMS' and turn it off.
+In KliperScreen settings find 'Screen DPMS' and turn it off.
 Your screen doesn't seem to support turning off via software, the best you can do is to turn it all black.
 
 ## Touch not working on debian Bullseye