Update requirements.txt

[smarbal]

Add termcolor as requirement.
Currently, the following error is produced running Dronesploit from scratch :

Traceback (most recent call last):
  File "/home/marbal/anaconda3/bin/dronesploit", line 5, in <module>
    from dronesploit.__main__ import main
  File "/home/marbal/anaconda3/lib/python3.11/site-packages/dronesploit/__init__.py", line 9, in <module>
    from sploitkit import *
  File "/home/marbal/anaconda3/lib/python3.11/site-packages/sploitkit/__init__.py", line 7, in <module>
    from .core import *
  File "/home/marbal/anaconda3/lib/python3.11/site-packages/sploitkit/core/__init__.py", line 1, in <module>
    from .console import *
  File "/home/marbal/anaconda3/lib/python3.11/site-packages/sploitkit/core/console.py", line 23, in <module>
    from .command import *
  File "/home/marbal/anaconda3/lib/python3.11/site-packages/sploitkit/core/command.py", line 6, in <module>
    from .components.config import Config
  File "/home/marbal/anaconda3/lib/python3.11/site-packages/sploitkit/core/components/__init__.py", line 2, in <module>
    from .config import *
  File "/home/marbal/anaconda3/lib/python3.11/site-packages/sploitkit/core/components/config.py", line 4, in <module>
    from termcolor import colored
ModuleNotFoundError: No module named 'termcolor'

[smarbal]

Refactored strings templating with f-strings