Filename input field isn't cleared while switching folders in file se…

…lection mode

SD cards weren't listed on some Android devices, attempted to fix it

Embedded proguard.txt file to AAR library which should get rid of Cla…

…ssNotFoundExceptions automatically

Added new Input System support (requires manual modifications, see do…

…cumentation)

If multi-selection mode is activated by pressing&holding a file **in …

…file selection mode**, folders' toggles will no longer be visible

Typo... An annoying little sneaky typo.............

- Added FileBrowser.DrivesRefreshInterval to refresh the list of driv…

…es at a regular interval so that USB drives can be detected at runtime. By default, this value is 5 seconds on standalone platforms and no refresh will be performed on mobile platforms

- Renamed "Pick Folder" to "Browse..." on Android 10+ (Storage Access Framework)

AllFilesFilterText, FoldersFilterText and PickFolderQuickLinkText can…

… now be changed after the file browser is initialized, as well

- Changed folderMode parameter to pickMode that supports picking file…

…s and folders simultaneously

- Added optional initialFilename parameter to prefill the filename input field
- Files and folders are now sorted by their names (they weren't automatically sorted on some platforms)
- Made AllFilesFilterText, FoldersFilterText and PickFolderQuickLinkText properties public static so that these labels can be localized or customized
- Write External Storage permission is now added automatically on Android (no manual setup is needed)

File browser no longer throws ArgumentException when entered filename…

… contains invalid characters; filename input field turns red instead