Vyčistenie (pozri #871)

The list of radios seems to be incomplete, someone who actually speaks the language should probably update it, and also add whoever is missing from the credits. For an up to date list of contributors, see the English translation of README.
Added in the missing radios

Also corrected the range values for AN/PRC-152, AN/PRC148-JEM and FADAK radios, from 3 to 5km.

The instructions are still missing though.
Widened 1st and 3rd columns (Radios)

Did so by marking some of the descriptions with non-breaking space HTML character.
airborne > palubné rádio
formatted the last item of radio list with emoji
made sure the line breaks are in the right places
Widened the "Klávesy" column
Merge pull request #873 from Tourorist/patch-6

Vyčistenie (pozri #871)