Expanded and updated readme

[gomezzz]

Description

• Various fixes in readme
• Added explanation of external tool integration
• Updated Gabi email

Resolved Issues

• fixes Add an example to the readme / examples how to use custom properties #167

How Has This Been Tested?

N/A

Related Pull Requests

#168

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
paseos
__init__.py	31	2	94%	46, 49
paseos.py	151	14	91%	71–72, 144–145, 198, 213, 231, 240, 258, 289, 297–298, 398–399
paseos/activities
activity_manager.py	43	3	93%	46, 76, 159
activity_processor.py	58	1	98%	123
activity_runner.py	62	10	84%	80–84, 104–113, 122–125
paseos/actors
actor_builder.py	108	21	81%	20–24, 27, 119–124, 248, 296, 318, 328–332, 339–340, 345–346
base_actor.py	121	18	85%	82, 99, 115, 153, 193–195, 224, 233, 251, 268, 272–275, 279, 293, 335
ground_station_actor.py	15	3	80%	47–53
spacecraft_actor.py	61	1	98%	123
paseos/communication
get_communication_window.py	22	2	91%	38, 67
is_in_line_of_sight.py	74	15	80%	75, 82, 90, 152–169, 213, 233
paseos/power
charge_model.py	17	1	94%	54
discharge_model.py	7	2	71%	22, 34
is_in_eclipse.py	39	4	90%	28–29, 90–91
paseos/tests
activity_test.py	57	3	95%	92, 95–96
communication_window_test.py	58	1	98%	198
eclipse_test.py	11	1	91%	22
import_test.py	6	1	83%	13
init_test.py	8	1	88%	16
line_of_sight_test.py	65	4	94%	147–150
thermal_model_test.py	30	1	97%	63
visualization_test.py	20	1	95%	31
paseos/utils
check_cfg.py	61	18	70%	31, 40, 46, 62–64, 71, 74–76, 79–81, 84–86, 101, 106
operations_monitor.py	71	4	94%	88, 129–132
paseos/visualization
animation.py	18	6	67%	27–30, 35, 44
plot.py	9	3	67%	28–31
space_animation.py	195	20	90%	135, 159, 162–165, 171, 283, 308–310, 315, 325–326, 330, 365, 371–372, 405, 421–432
TOTAL	1831	161	91%

Tests	Skipped	Failures	Errors	Time
30	0 💤	0 ❌	0 🔥	56.517s ⏱️

[gomezzz]

@GabrieleMeoni @johanos1 could somebody have a look pls? 🙏