refactor tutorial structure and update for recent EDM4hep changes (#181)

* Fixing Sec 2.1.3.4.3 to accomodate for changes in edm4hep

- added relative path to newly added and updated histmaker_ttmm.py file, which now works with files created using latest edm4hep

* Restructure fcctutorials repo to match Sphinx documentation layout

- reorganize directory structure to reflect Sphinx docs structure
- add FCCAnalyses scripts for users to download
- add links to newly generated ROOT files for running analyses locally
- update analysis scripts for EDM4hep compatibility changes

* fixed some references, small rewordings of chapter titles

* relocating EventProducer section into Distributed Computing chapter; first but not complete update of  description; minor rewordings

* Updating Pandoc to 3.10 in Test workflow  (#184)

* Updating pandoc to 3.10 (2026-06-03)

* Test removing Pandoc, as it seems not used (the conversion to executable cells uses Jupytext)

* Add Pandoc back since it is used for admonitions.

* Running tests daily against the nightlies (#185)

* Updating pandoc to 3.10 (2026-06-03)

* Test removing Pandoc, as it seems not used (the conversion to executable cells uses Jupytext)

* Add Pandoc back since it is used for admonitions.

* Adding a test to run daily against the nightlies

* Add the contributors to the top of the pages (#186)

* Script to add the contributors to the top of the page (Note: assisted with Claude Fable)

* Adding contributors on top of the pages

* Fixing Sec 2.1.3.4.3 to accomodate for changes in edm4hep

- added relative path to newly added and updated histmaker_ttmm.py file, which now works with files created using latest edm4hep

* Restructure fcctutorials repo to match Sphinx documentation layout

- reorganize directory structure to reflect Sphinx docs structure
- add FCCAnalyses scripts for users to download
- add links to newly generated ROOT files for running analyses locally
- update analysis scripts for EDM4hep compatibility changes

* fixed some references, small rewordings of chapter titles

* relocating EventProducer section into Distributed Computing chapter; first but not complete update of  description; minor rewordings

* Fix the paths in the tests after refatorization

Author: bndikt