Better data analysis, Myers diffing algorithm and UI improvements

Additions

• All main menu entries now have pretty icons
• Added Myers' diffing algorithm to the diff view
  • This algorithm can display insertions and removals as well as modifications
  • Huge thanks to the maintainer of Malcat!
• Added option to customize toolbar icons
• Added a much improved Out of the Box experience when first starting up ImHex
• Added many new hash algorithms
  • This includes basic sum checksums, Snefru, Haval, various SHA versions, Keccak, RIPEMD, many CRC presets and many more
• Greatly improved the data information view
  • Sections can now be switched on and off
  • Magic information now includes more than one entry if there's multiple concatenated files
  • The Digram and Layered distribution graphs now perform a lot better
  • There's now built-in yara rules that are being run on files to detect compilers, programming languages and more for executables
• Greatly improved the pattern editor
  • Thanks a lot to @paxcut
  • This adds support for find and replace, better highlighting and many other smaller things
• Added Mini Map to the Hex Editor
  • This can be enabled by clicking on the map icon in the hex editor footer
  • There's also config options when right clicking that icon
• Added Edit -> Jump to -> Pattern option to jump directly from hex editor highlights to patterns
  • Clicking on patterns in the pattern data view also jumps to their definition in the pattern editor now
• Added a font picker to the settings
• Added option to highlight parent pattern regions in the hex editor when hovering over them
• Added support for searching for other string encodings and endianess. Thanks a lot to @PerikiyoXD
• Added a pretty drag-n-drop overlay when dragging files onto ImHex
• Added support for virtual file systems through the pattern language
• Added option to keep ImHex always on top of other windows
• Added option to use ImHex in fullscreen mode
• Added support for switching to other providers through the command palette
• Added a setting to always show all provider tabs, even if there's only one
• Added option to export a selection to a file
• Added a comments column to the pattern data view. It can be enabled by right clicking on the table header and selecting it there
• Added option to turn off borderless window mode
• Added option to export the results of the find view to a file
• Added option to disable command palette button in header
• Added a search bar to the file chooser popup
• Added support for opening multiple files at once
• Added support for macOS's Right click -> Open with option

Improvements

• ImHex now uses Atomic File I/O instead of mapping files into memory
  • This solves various issues where certain files couldn't be opened, files on network drives not working well and more
• macOS M1 build now only requires macOS 12.1 instead of 14.0 to run
• Bookmark moving now uses ImGui's native drag n drop feature
• Syncing pattern language source code between providers should work better now
• Custom encodings that don't have multi-byte values now display immediately when selected
• The macOS build now uses a custom titlebar
• ImHex windows are now being unfocused properly if the main window loses focus
  • No more blinking cursors when ImHex is in the background!
• Overwriting individual characters in the edit mode of the hex editor now works much better
• Copy-Paste now works correctly in the Web version of ImHex. Thanks a lot to @exsilium
• The find popup now remembers its content
• The crash restore popup doesn't show anymore now if there's nothing to restore
• Opening the same file multiple times is no longer possible now

Bug Fixes

• Fixed signing issues with macOS builds
• Fixed CTRL + S not removing red highlights of bytes
• Fixed address bound checks in Edit -> Jump to option
• Fixed menu bar collapsing into hamburger menu even if there's enough space
• Fixed RGBA8 data processor node not setting output buffer correctly
• Fixed provider information in information view always showing infos about the current provider instead of about the analyzed provider
• Fixed issues when using certain window management tools on Windows
• Fixed crashes when launching ImHex with file arguments
• Fixed crash when trying to use too many hex editor rows
• Fixed native theme detection of Linux. Thanks to @iTrooz
• Fixed issues where workspaces are not correctly saved sometimes
• Fixed issues where default magic database wasn't being bundled correctly
• Fixed crashes when loading very old settings files
• Fixed data inspector not updating correctly when the underlying data changed
• Fixed a crash when specifying invalid hash parameters in the hashing view
• Fixed additional folder paths not being loaded from the config file correctly
• Fixed data inspector showing two negative signs sometimes
• Fixed various issues with non-zero base addresses

Pattern Language

• Huge refactor of the Preprocessor, Lexer and Parser
  • Massive thanks to @jumanji144
  • Compile errors are a lot more helpful now and include more context information
• Added support for import statements
  • Massive thanks to @jumanji144
• Added stacktrace to runtime errors
• Patterns can now be placed inside of custom sections from within other types
• Pattern formatters now properly respect a patterns visibility
  • This means hidden patterns don't end up in exported json, yaml or html files anymore
• Fixed writing to big endian bitfield entries
• Changing pattern setting now re-evaluates the code if auto evaluation is enabled

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