GitLab

* Translate README.md to German

* Add links to README_de.md

* Remove invisible characters in README

* Change to a formal tone and fix punctuation marks

* Add missing entries to the language selector

* Add links to the Colab and AWS Studio notebooks for ONNX

* Use anchor links in CONTRIBUTING.md

* Fix broken hyperlinks due to spaces

* Fix links to OpenAI research articles

* Remove confusing footnote symbols from author names, as they are also considered invalid markup

* doc: french README
Signed-off-by: ThibaultLengagne <thibaultl@padok.fr>

* doc: Add Depth Anything
Signed-off-by: ThibaultLengagne <thibaultl@padok.fr>

* doc: Add french link in other docs
Signed-off-by: ThibaultLengagne <thibaultl@padok.fr>

* doc: Add missing links in fr docs

* doc: fix several mistakes in translation
Signed-off-by: ThibaultLengagne <thibaultl@padok.fr>

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Signed-off-by: ThibaultLengagne <thibaultl@padok.fr>
Co-authored-by: Sarapuce <alexandreh@padok.fr>