* add thai language config
* update thai translation
* update thai translation
* add THSarabunNew fonts to using in pdf
* update: pdf file to support thai language by checking isLocale('th') and include thai font-family
* update: thai translation
* remove the index.php file (not used)
* move THSarabunNew fonts to resoureces/static/fonts
* Add .gitkeep to storage/fonts to pre-build the fonts directory
Co-authored-by: Ritthikrai (Champ) Wiengchai <ritthikrai.w@aware.co.th>
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