32blit

What's Changed

* Validate metadata image sizes by Daft-Freak in https://github.com/32blit/32blit-tools/pull/94
* Set break_on_hyphens=False to optimise C output by Daft-Freak in https://github.com/32blit/32blit-tools/pull/96
* Pico metadata/binary info tool by Daft-Freak in https://github.com/32blit/32blit-tools/pull/95
* Standalone metadata output by Daft-Freak in https://github.com/32blit/32blit-tools/pull/97

**Full Changelog**: https://github.com/32blit/32blit-tools/compare/v0.7.2...v0.7.3

* Add reloc support for ITCM RAM - thanks Daft-Freak

This version is essential for building 32blit binaries that use `blit_fast_code` to move performance critical code into the 30k of ITCM RAM reserved for user applications.

* Added DFU tool
* Filename now shown when flashing
* Remove unnecessary reset-to-firmware code
* Fixed GIMP palette handling
* Support for more image font layouts (multiple row support)
* Make freetype a soft dependency when processing font data
* Misc small tweaks & tidyup

* Reworked Tiled maps support (requires updated SDK) - thanks Daft-Freak
* Metadata CMake tool now escapes quotes - thanks Daft-Freak
* New project setup tool "32blit setup" for downloading/configuring a boilerplate project - thanks Daft-Freak
* Fixed asset builder throwing a cryptic error if no valid input files were found

* Ensure the minimum required version of click is installed - thanks LordEidi
* Add separate launch command (in SDK v0.1.11 and later) and `--launch` flag to install - thanks Daft-Freak
* Support 16bit tile indexes - thanks ThePythonator
* Output URL/Category metadata for SDL builds - thanks Daft-Freak

* Significant code refactor and fixes by Ali1234
* Tools have been ported to Click
* New `32blit install` command that installs files/blits intelligently