For v2.0.0 Release

[jpvantassel]

The release of v2.0.0 is a culmination of approximately 2 years of development and has resulted in almost a complete rewrite of the hvsrpy package. hvsrpy v2.0.0 includes many new additions requested by the community:

• :sparkles: Ability to process earthquake and microtremor data.
• :sparkles: Support for all common earthquake and microtremor file types (see Issue #8 for details).
• :sparkles: Multiple approaches for Fourier spectra smoothing.
• :sparkles: Multiple approaches for window rejection (STA/LTA, Cox et al. (2020), Manual).
• :sparkles: Support for Python version 3.8 to 3.12.
• :sparkles: Multiple approaches for combining horizontal components (geometric mean, RotD50, squared average)
• :sparkles: Multiple processing approaches (traditional, azimuthal, diffuse field)
• :sparkles: I/O overhaul for processing settings and HVSR results such that they can be shared for reproducible results.
• :sparkles: Post-processing tools for quickly presenting HVSR results (plotting tools, automatic SESAME checks)