loongson/pypi: links for jtocr-txtapi

loongson/mirror Jtocr_txtAPI-0.1.6.tar.gz
loongson/mirror Jtocr_txtAPI-0.1.5.tar.gz
loongson/mirror Jtocr_txtAPI-0.1.4.tar.gz
loongson/mirror Jtocr_txtAPI-0.1.3.tar.gz
loongson/mirror Jtocr_txtAPI-0.1.2.tar.gz