Import & Export blocked keywords

[furkun]

Checklist

• [x] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• [x] I have read the FAQ and my problem isn't listed.
• [x] I have taken the time to fill in all the required details. I understand that the feature request will be dismissed otherwise.
• [x] This issue contains only one feature request.
• [x] I have read and understood the contribution guidelines.

Is your feature request related to a problem? Please describe. The app has "import & export blocked numbers" features in the "blocked numbers" settings, but this feature is missing in the "blocked keywords" settings.

Describe the solution you'd like Add "import & export blocked keywords" features in the "blocked keywords" settings.

[ronniedroid]

I will work on this next week hopefully.

[vertigo220]

Ideally it should just have a main import/export setting that allows selecting which aspects (messages, keywords, etc) to import/export, and, if possible, it should keep all this info in a file that can be sync'd with an external program.