loongson/mirror: links for bikash-calculator

loongson/mirror bikash-calculator-0.3.tar.gz
loongson/mirror bikash_calculator-0.3-py3-none-any.whl
loongson/mirror bikash-calculator-0.2.tar.gz
loongson/mirror bikash_calculator-0.2-py3-none-any.whl
loongson/mirror bikash_calculator-0.1-py3-none-any.whl