Squashed commit of the following:

Remove sync receive
Disallow 2D effects on non-2D segments
Optimisations
Sync clarification
AR palettes
Return of 2 audio simulations
Bugfix in sync #3344
    - remove excessive segments
    - ignore inactive segments if not syncing bounds
    - send UDP/WS on segment change
    - pop_back() when removing last segment
Add pairing support for ESP-NOW sync
Reduce string RAM footprint
UDP parse optimisation
Make WizMote work with sync.
ESP-NOW wireless sync POC.
    - caveat: devices have to be on the same channel
    - clashes with WizMote handling ATM

.vscode/tasks.json

@@ -9,8 +9,8 @@
       ],
       "dependsOrder": "sequence",
       "problemMatcher": [
-        "$platformio",
-      ],
+        "$platformio"
+      ]
     },
     {
       "type": "PlatformIO",
@@ -18,7 +18,7 @@
       "task": "Build",
       "group": {
         "kind": "build",
-        "isDefault": true,
+        "isDefault": true
       },
       "problemMatcher": [
         "$platformio"