New sysstate, added 6 fields, new properties, build script

[ufechner7]

• add the vectors v_wind_gnd, v_wind_200m and v_wind_kite to the SysState
• add the scalars AoA, CL and CD to the SysState
• move the definition of the fields of the SysState into the file sysstate.yaml
• add a script that creates 8 files based on this yaml file (build.jl)
• add the properties x1, y1 and z1 which represent the kite position for the one point model
• add the properties x, y and z which represent the kite position for the four point model

[codecov]

Codecov Report

Attention: Patch coverage is 73.08642% with 109 lines in your changes missing coverage. Please review.

Project coverage is 84.76%. Comparing base (100e05a) to head (2da347d).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/build.jl	0.00%	90 Missing ⚠️
src/yaml_utils.jl	0.00%	16 Missing ⚠️
src/KiteUtils.jl	95.74%	2 Missing ⚠️
src/_load_log.jl	92.85%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #61       +/-   ##
===========================================
- Coverage   96.82%   84.76%   -12.06%     
===========================================
  Files           6       14        +8     
  Lines         662      847      +185     
===========================================
+ Hits          641      718       +77     
- Misses         21      129      +108     

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