[Documentation] Powsybl logo redirects to the main read the docs.

[colinepiloquet]

Please check if the PR fulfills these requirements

• [x] The commit message follows our guidelines
• [ ] Tests for the changes have been added (for bug fixes / features)
• [x] Docs have been added / updated (for bug fixes / features)

Does this PR already have an issue describing the problem?

No

What kind of change does this PR introduce?

Read the docs update

What is the current behavior?

Clicking on the powsybl logo redirects to the read the docs of powsybl-core.

What is the new behavior (if this is a feature change)? Clicking on the powsybl logo redirects to the main read the docs of powsybl.

Does this PR introduce a breaking change or deprecate an API?

• [ ] Yes
• [x] No

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud