lox-math-v0.1.0-alpha.9

Added

• (lox-earth) implement new EOP parser and data provider

Other

• move math code to lox-core
• move lox-units code to lox-core
• update SPDX headers and add helper script
• make Lox REUSE-compliant
• get rid of float_eq and lox_math::is_close
• (lox-bodies/lox-earth) anglify lox-bodies and lox-earth
• move type aliases to lox-units
• refactor all the things
• (lox-units/lox-math) move constants to lox-units