Added blank parts list

Added new contrib hardware folder including README

hardware: Correct micro part number to STM32F103CB.

Modified BMP Mini with extra connectors

Moved entropia design to contrib directory and added description.

Add a version of BMP-mini optimized for manual production This commit adds a variant of the Blackmagic Mini that uses only 0603 parts and standard connectors for better availability and easier manual soldering. Additionally, another voltage regulator has been used that is cheaper, pin-compatible and has better characteristics.

Added a Makefile for generation of some hardware outputs.

hardware: Removed solder paste openings on fiducials.

Added new mini hardware design.

Added some missing values and footprints to schematic.