* patterns/uf2: add family ID enum
* patterns/uf2: Fix enum spacing
* patterns: add missing description pragmas and README entries, etc.
* patterns/uf2: add reference for Family ID enum
* Update pbz pattern
- Rename pbzx to pbz; turns out the 'x' is the compression type.
- Use type::Magic for the "pbz" magic number.
- Decode compression type as an enum.
- Mention compression_tool in the header comment.
* Rename pbzx.hexpat to pbz.hexpat