Implement Serial Console app & more (#239)

- Implemented new app: Serial Console
- `Uart::writeString()`: fixed 2 mutex bugs
- `AlertDialog::start()` with default "OK" button added
- Created `tt::lvgl::defaultLockTime` for re-use
- Removed various usages of deprecated `lvgl::obj_set_style_no_padding()`
- Implemented `hal::uart::getNames()` to list all interface names

TactilityCore/Include/Tactility/StringUtils.h

@@ -58,14 +58,10 @@ std::basic_string<T> lowercase(const std::basic_string<T>& input) {
     return std::move(output);
 }
 
-/**
- * @return true when input only has hex characters: [a-z], [A-Z], [0-9]
- */
+/** @return true when input only has hex characters: [a-z], [A-Z], [0-9] */
 bool isAsciiHexString(const std::string& input);
 
-/**
- * @return the first part of a file name right up (and excluding) the first period character.
- */
+/** @return the first part of a file name right up (and excluding) the first period character. */
 std::string removeFileExtension(const std::string& input);
 
 } // namespace