[tex-hyphen] Add \{left,right}hyphenmin info to pattern files

[Werner LEMBERG]

>> Hehe, yes, it somehow doesn't occur to me earlier that this
>> meta-information is missing.
> 
> Just for the record, commit faa9a049 by Mojca, from June 2008, added
> the hyphenmin values for German to one of our support files :-)

Well, the Babel package also contains this information – in separate
support files called `german.ldf' and similar :-)

Fortunately we all agree that this data should be contained in the
header of the pattern files themselves...


    Werner