Adds TLE collection parser, rm IDE directories

[e-001]

We process TLEs from CelesTrak as a continuous sequence of TLEs. For example:

SPACEBEE-7              
1 43816U 18099BL  23123.45476126  .00006980  00000+0  53817-3 0  9994
2 43816  97.6031 189.1823 0012490 246.2120 113.7796 15.01854883240592
SPACEBEE-5              
1 43817U 18099BM  23124.46685211  .00028319  00000+0  15348-2 0  9990
2 43817  97.5945 196.5152 0004549 213.8834 146.2108 15.14544453241076
...

This adds the ability to process them on the collection-level.

I've also gone ahead and made TLEParser a struct with static parsing methods, and the existing class was not accessible without an explicit initializer when SGP is imported as a module.