Add QLFlareFlag product and fix attr description

[samaloney]

Closes #52 fix description for attr and add basic product.

• Check the CFL coordinates
  From FSW Flare Message Generation STIX-TN-0109-FHNW
  

• Add tests

from stixpy.product import Product

ff = Product('/Users/sm/sunpy/data/solo_L1_stix-ql-flareflag_20240501_V02U.fits')

ff
QLFlareFlag
       <sunpy.time.timerange.TimeRange object at 0x13afc9350>
    Start: 2024-05-01 00:00:01
    End:   2024-05-02 00:00:01
    Center:2024-05-01 12:00:01
    Duration:1.0 days or
           24.0 hours or
           1440.0 minutes or
           86400.0 seconds

ff.data
<QTable length=21600>
control_index           time          timedel loc_z loc_y thermal_index non_thermal_index location_status flare_progress
                                         cs
    uint8               Time           uint32 int16 int16    int16[1]        int16[1]         int16[1]        int64
------------- ----------------------- ------- ----- ----- ------------- ----------------- --------------- --------------
            0 2024-05-01T00:00:03.331     400    -4    26             3                 0               1              1
            0 2024-05-01T00:00:07.331     400    -4    26             3                 0               1              1
            0 2024-05-01T00:00:11.331     400    -4    26             3                 0               1              1
            0 2024-05-01T00:00:15.331     400    -4    26             3                 0               1              1
            0 2024-05-01T00:00:19.331     400    -4    26             3                 0               1              1
            0 2024-05-01T00:00:23.331     400    -4    26             3                 0               1              1
            0 2024-05-01T00:00:27.331     400    -4    26             3                 0               1              1
          ...                     ...     ...   ...   ...           ...               ...             ...            ...
           17 2024-05-01T23:59:31.331     400     0     0             0                 0               0              0
           17 2024-05-01T23:59:35.331     400     0     0             0                 0               0              0
           17 2024-05-01T23:59:39.331     400     0     0             0                 0               0              0
           17 2024-05-01T23:59:43.331     400     0     0             0                 0               0              0
           17 2024-05-01T23:59:47.331     400     0     0             0                 0               0              0
           17 2024-05-01T23:59:51.331     400     0     0             0                 0               0              0
           17 2024-05-01T23:59:55.331     400     0     0             0                 0               0              0
           17 2024-05-01T23:59:59.331     400     0     0             0                 0               0              0

At the moment this isn't that useful unless you know what the coordinate frame of the location and meaning of the index so. The plan would be to the the location in a STIXImaging SkyCoord and and ENUM for the indices base on TMTC ICD.

I've added properties which map the value to the relevant text from the table below and others.

[codecov]

Codecov Report

Attention: Patch coverage is 85.93750% with 9 lines in your changes missing coverage. Please review.

Project coverage is 73.98%. Comparing base (310037e) to head (eb2ffb5).
Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
stixpy/product/sources/quicklook.py	85.48%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #125      +/-   ##
==========================================
+ Coverage   73.60%   73.98%   +0.37%     
==========================================
  Files          32       32              
  Lines        1940     1999      +59     
==========================================
+ Hits         1428     1479      +51     
- Misses        512      520       +8     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.