Third-party licence texts

Sources & licences

• ARPHICPL.TXT
• GPL-3.0.txt
• hanzi-writer-LICENSE.txt
• MAKEMEAHANZI_COPYING.txt
• MAKEMEAHANZI_LGPL.txt
• opencc-js-LICENSE.txt
• OPENCC_DATA_LICENSES.md
• pinyin-pro-LICENSE.txt
• relationship.js-LICENSE.txt