Add vocabulary for 'Καφές με …παντοτινή γεύση'

[gbroques]

Add the vocabulary listed in the below PDF document:
https://drive.google.com/file/d/1NanJNkWvqBzluZH_6ASMuPL9bxoiWiEX/view?usp=sharing

To the config.json here:
https://github.com/gbroques/greek-texts/blob/master/%CE%9A%CE%B1%CF%86%CE%AD%CF%82%20%CE%BC%CE%B5%20%E2%80%A6%CF%80%CE%B1%CE%BD%CF%84%CE%BF%CF%84%CE%B9%CE%BD%CE%AE%20%CE%B3%CE%B5%CF%8D%CF%83%CE%B7/config.json#L12

For example:

"vocabulary": [
    {
      "greek": "αδειάσει",
      "english": "emptied"
    },
    ...
]