Merge remote-tracking branch 'upstream/main' into mdev

Some additions:

pio.ini: add debug entries
cfg.cpp, set.cpp, xml/cpp: keep storing basic 2D setup

index.js: use ledmapFileNames

settings_2D.htm: keep using basic and advanced

FX_2Dfcn.cpp: use gaptable and also MM ledmaps

FX_fcn.cpp: extend enumerateledmaps with AC ledmapNames (but not used in UI)

package.json

@@ -25,7 +25,7 @@
     "clean-css": "^4.2.3",
     "html-minifier-terser": "^5.1.1",
     "inliner": "^1.13.1",
-    "nodemon": "^2.0.4",
+    "nodemon": "^2.0.20",
     "zlib": "^1.0.5"
   }
 }