fix(compiler): fix line num for HTML generation

[EmileRolley]

Fix line numbering for the Html backend.

Catala code block delimiters are removed after the pygmentization and this must be taken into account for the line numbering.

catala/compiler/literate/html.ml

Lines 154 to 162 in 1f4e869

	let return_code = Sys.command cmd in
	if return_code <> 0 then raise_failed_pygments cmd return_code;
	let oc = open_in temp_file_out in
	let output = really_input_string oc (in_channel_length oc) in
	close_in oc;
	(* Remove code blocks delimiters needed by [Pygments]. *)
	let trimmed_output =
	output |> remove_cb_first_lines |> remove_cb_last_lines
	in

[denismerigoux]

Thank you !