v0.1.0 Coordinate Systems (The First Release)

The first release of the package.
The coordinate-system interface works, and enables getting various properties of the customary four-vector from a small set of quantities stored in the type.

What's Changed

• rename magnitude => spatial_magnitude by @TheFibonacciEffect in #5
• update Testing files by @mmikhasenko in #6
• Rename of package by @mmikhasenko in #7
• add PtEtaPhiM coordinates used by LorentzVectorHEP.jl by @Moelf in #4
• Fix build status by @TheFibonacciEffect in #9
• add Docs, TagBot, CompatHelper by @mmikhasenko in #10
• First description of the interface by @grasph in #8
• Algebra by @grasph in #15
• Interface specs update by @grasph in #17
• added formatting and respective workflow by @szabo137 in #18
• Fix docs by @szabo137 in #19
• Added tests for cylindrical coordinates. by @mfarrington1 in #16
• Streamlining and cleanup by @szabo137 in #24
• Tests for range of the spherical angle by @mmikhasenko in #22
• Update readme and docs by @szabo137 in #26
• bump compat of Julia; updated version covered by the tests by @szabo137 in #30
• Fix LaTeX formatting for square root in comments by @mmikhasenko in #32
• Add additional authors to Project.toml by @mmikhasenko in #31
• Document export of package functions in LorentzVectorBase by @mmikhasenko in #33