feat: Add Trapezoid to LED Layout (#791)

* Update schema-ledConfig.json

extend schema with corner points (vertcal and horizontal values in percent)

* Update conf_leds.html

input fields for corner points

* Update content_leds.js

add corner values and calculation of led rows

* Update de.json

german title for corners

* CHanges 26.12.2019 Correction and PowerOff add

* GrabberFix PiCam

* VType as QString

* Unused variable deletet

* Missing new paramneters for GrabberFix

* Error json

* JSon error by user

* Crosscompile SutnikElf frok

* Warning unused variable

* Revert "Crosscompile SutnikElf frok"

This reverts commit 443fe80090.

* Fixing a linting error

* Adding Grabber Override Names

* Adding more Grabber Fix translations

* Missed one

* remove V4L2 Grabber Fix and Power Button from Dashboard

Signed-off-by: Paulchen-Panther <Paulchen-Panter@protonmail.com>

* Setting some limits to the trapezoid

Co-authored-by: SputnikElf <58911932+SputnikElf@users.noreply.github.com>
Co-authored-by: SputnikElf <sputnikelf@gmx.de>
Co-authored-by: Paulchen-Panther <Paulchen-Panter@protonmail.com>

config/hyperion.config.json.commented

@@ -330,7 +330,7 @@
 	/// Recreate and save led layouts made with web config. These values are just helpers for ui, not for Hyperion.
 	"ledConfig" :
 	{
-  		"classic":
+  	"classic":
 		{
 			"top"	 	: 8,
 			"bottom"	: 8,
@@ -343,7 +343,15 @@
 			"hdepth"	: 8,
 			"vdepth"	: 5,
 			"overlap"	: 0,
-			"edgegap"	: 0
+			"edgegap"	: 0,
+      "ptlh"		: 0,
+      "ptlv"		: 0,
+      "ptrh"		: 100,
+      "ptrv"		: 0,
+      "pblh"		: 0,
+      "pblv"		: 100,
+      "pbrh"		: 100,
+      "pbrv"		: 100		
 
  		},
 		"matrix":

config/hyperion.config.json.default

@@ -190,7 +190,7 @@
 
 	"ledConfig" :
 	{
-  		"classic":
+  	"classic":
 		{
 			"top"	 	: 8,
 			"bottom"	: 8,
@@ -203,7 +203,15 @@
 			"hdepth"	: 8,
 			"vdepth"	: 5,
 			"overlap"	: 0,
-			"edgegap"	: 0
+			"edgegap"	: 0,
+      "ptlh"		: 0,
+      "ptlv"		: 0,
+      "ptrh"		: 100,
+      "ptrv"		: 0,
+      "pblh"		: 0,
+      "pblv"		: 100,
+      "pbrh"		: 100,
+      "pbrv"		: 100
 
  		},
 
@@ -213,7 +221,7 @@
 			"ledsvert" : 10,
 			"cabling"  : "snake",
 			"start"    : "top-left"
-    		}	
+    		}
 	},
 
 	"leds":