LinLocalize 1.6 for Windows winlocalize1

switched external translation to deepl - much better translation site - and reenabled all translation features.

refactoring/renaming to ExternalTranslate, what ever engine will be used in future

cause of problems on detecting extrenal translation, disabled external-translation-dialog for autotranslate action and multi string translation.
external-translation-dialog for manual single string translation

tag release version LinLocalize 1.6

updated pad / readme again and fixed one more little hint

prepare for release 1.6 (version, setup, padfile, readme)
updated projectfiles to delphi 10.3

added Fix First-letter-capitalization function to translation list

added simple parameter warning in translation dialog

fixed memory usage on autotranslating list, do not recreate dialog for every request.

fixed hints (compiling 0 warnings 0 hints)