chore(docs): remove markdownlint exclusions

[dreamorosi]

Summary

Changes

Please provide a summary of what's being changed

As a last step of the API docs & README overhaul, this PR includes all the README files in the markdownlint.

Please add the issue number below, if no issue is present the PR might get blocked and not be reviewed

Issue number: #2381

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[sonarqubecloud[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