Implement OTA release compatibility checking system

Implement a comprehensive solution for validating a firmware before an
OTA updated is committed.  WLED metadata such as version and release
is moved to a data structure located at near the start of the firmware
binary, where it can be identified and validated.

Co-authored-by: netmindz <442066+netmindz@users.noreply.github.com>

tools/cdata.js

@@ -388,12 +388,6 @@ const char PAGE_dmxmap[] PROGMEM = R"=====()=====";
       name: "PAGE_update",
       method: "gzip",
       filter: "html-minify",
-      mangle: (str) =>
-        str
-          .replace(
-            /function GetV().*\<\/script\>/gms,
-            "</script><script src=\"/settings/s.js?p=9\"></script>"
-          )
     },
     {
       file: "welcome.htm",