Exclude project binary file from codespell

The "codespell" tool is used to check for the presence of commonly misspelled words in the project files. Automatically
generated files should be excluded from such checks for efficiency and to avoid false positives.

Although they are not checked into the repository, when contributors build the project the binary files will be present
in the project folder and thus subject to such checks. "codespell" is smart enough to automatically detect binary files
and not check their content, but it will be best to explicitly configure it to skip the files entirely for the sake of
efficiency.

Author: per1234

.codespellrc

@@ -3,7 +3,7 @@
 [codespell]
 # In the event of a false positive, add the problematic word, in all lowercase, to a comma-separated list here:
 ignore-words-list = ,
-skip = ./.git,./.licenses,__pycache__,go.mod,go.sum,node_modules,./package-lock.json,./poetry.lock,./yarn.lock
+skip = ./.git,./.licenses,__pycache__,go.mod,go.sum,node_modules,./package-lock.json,./poetry.lock,./yarn.lock,./arduinoOTA,./arduinoOTA.exe
 builtin = clear,informal,en-GB_to_en-US
 check-filenames =
 check-hidden =