* Update aframe-environment-component to 1.5.x in examples and docs (#5674)

* Fix broken links. (#5676)

* Update aframe-physics-system to 4.2.3 in documentation (#5689)

* Update contributing and introduction doc to point to Discord instead of Slack (#5690)

* Update contributing doc to point to Discord instead of Slack

* Remove newsletter and slack, add WebXR Discord to the introduction doc

* Fix the npm search link and mention the A-Frame Wiki for an community-maintained list of components (#5695)

* Fix minor error in documentation for reflection component (#5698)

Fix a </a-scene> which is out of place.

* Bump A-Frame version number in doc

* fixed the anchored documentation error (#5711)

in the anchored documentation, added function el.components.anchored.createAnchor(position, quaternion) instead of el.components.createAnchor(position, quaternion)

* Update installation.md Python 3 command to `python3` (#5713)

* Update installation.md Python 3 command to `python3`

When following the instructions on macOS, after installing the recommended version of Python from python.org, I found that the Python 3 executable is `python3`, not `python`.

Some quick internet searching suggests that `python3` is probably the most reliable command to run across multiple OSes.

* Update installation.md

* Use python3 command in visual-inspector-and-dev-tools.md (#5728)

* Fix broken and incorrect links in the docs (#5730)

* Update logitech-mx-ink-controls.md (#5742)

fixing a minor typo with the logitech mx ink docs

* Update some glitch links to examples inside the repo (#5744)

* Point to aincraft in the repo instead of glitch

* Remove not maintained networked-aframe glitch

* Link to community-components in the repo instead of aframe-registry glitch

* Replace a-watch glitch url by link in the repo

* Replace glitch cdn url by aframe cdn for grip-compressed.glb

* Remove cdn.glitch.com url in test

* Link to 360-gallery in the repo instead of aframe-gallery glitch

* Update link to Animated Lights example

* Increase light intensity in dynamic-lights example

* Remove dead examples in interactions-and-controllers

* Add aframe-modify-model-material example in the repo

* Remove dead Displacement Shader example

---------

Co-authored-by: Diarmid Mackenzie <diarmid.mackenzie@gmail.com>
Co-authored-by: Jesus M. Gonzalez-Barahona <jgb@gsyc.es>
Co-authored-by: Diego Marcos Segura <diego.marcos@gmail.com>
Co-authored-by: Vaibhavy <114183942+vaibhavyxx@users.noreply.github.com>
Co-authored-by: Dan Jarvis <daj@users.noreply.github.com>
Co-authored-by: Noeri Huisman <8823461+mrxz@users.noreply.github.com>
Co-authored-by: Claudius Coenen <github@amenthes.de>