VOEUX corpus, rename files with 'T' prefix

Currently VOEUX corpus source texts are named with numerical values prefixed by ’0’s, to help chronological sort.

But this can hamper the handling of word property exports and imports (when spreadsheets misinterpret - numerically - text names: 0001 = Integer 1 instead of String ‘0001’).

As the VOEUX corpus is provided as an example to be used by newbies, we have to help them avoid pitfalls.

Solution

Rename files with ‘T’ prefix: ‘0001.txt’ ->‘T0001.txt’

(from redmine: issue id 3518, created on 2023/11/27 by Serge Heiden)