Add a note on charge generation during CLI workflows

[jthorton]

This PR adds a note to inform users of the CLI that we are now generating charges when planning networks. I have also added a link to the new tutorial in example notebooks which should be merged first OpenFreeEnergy/ExampleNotebooks#187

Checklist

• Added a news entry

Developers certificate of origin

• I certify that this contribution is covered by the MIT License here and the Developer Certificate of Origin at https://developercertificate.org/.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.87%. Comparing base (f7b11d4) to head (54a4d2b).
Report is 9 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1117      +/-   ##
==========================================
- Coverage   93.51%   91.87%   -1.65%     
==========================================
  Files         142      142              
  Lines       10608    10608              
==========================================
- Hits         9920     9746     -174     
- Misses        688      862     +174     

Flag	Coverage Δ
fast-tests	91.87% <ø> (?)
slow-tests	?

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[atravitz]

just two typos, then lgtm!

[github-actions]

No API break detected ✅