proposal for "back to overview"

Summary

have only made two changes as a suggestion for "back to overview".

Focus

index.rst row 18 - 27

Test Environment

How to set up a test environment for manual testing?

Check List for the Author

Please, prepare your MR for a review. Be sure to write a summary and a focus and create gitlab comments for the reviewer. They should guide the reviewer through the changes, explain your changes and also point out open questions. For further good practices have a look at our review guidelines

• All automated tests pass
• Reference related issues
• Up-to-date CHANGELOG.md (or not necessary)
• Up-to-date JSON schema (or not necessary)
• Appropriate user and developer documentation (or not necessary)
  • How do I use the software? Assume "stupid" users.
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Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
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• Appropriate user and developer documentation (or not necessary)
• The test environment setup works and the intended behavior is reproducible in the test environment
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src/doc/index.rst

@@ -14,13 +14,19 @@ Welcome to PyLinkAhead's documentation!
    Administration <administration>
    High Level API <high_level_api>
    Code gallery <gallery/index>
-   API documentation<_apidoc/linkahead>
+   API documentation <_apidoc/linkahead>
+   Back to Overview <https://docs.indiscale.com/>
+
 
 This is the documentation for the Python client library for LinkAhead, ``PyLinkAhead``.
 
 This documentation helps you to :doc:`get started<README_SETUP>`, explains the most important
 :doc:`concepts<concepts>` and offers a range of :doc:`tutorials<tutorials/index>`.
 
+Or go back to the general `overview`_ of the documentation.
+
+.. _overview: https://docs.indiscale.com/
+
 
 Indices and tables
 ==================