feat(lab): Migrate lab to main repo. (#4521)

* Add directory

* Add lab check script

* Delete duplicated icons

* Fix the lab page

* Adjust paths

* update lockfile

* update lockfile

* fix(lab/planet): replace with guideline-compliant design

* Add install step

* Add second install step

* Adjust lab in site

* try this

* Fix workflow

* Add cspell

* Format code

* Temporary delete icons for copilot review

* Place back lab icons

* Apply suggestions from code review

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Update lock file

* Revert svg changes

* Fix list

* Rename filenames

* Format tsconfig

---------

Co-authored-by: Karsa <contact@karsa.org>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

lab/feather-text.svg

@@ -0,0 +1,17 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M17.9 8H9.2" />
+  <path d="M5.1 12H14l8-8.2c-2.3-2.3-6.1-2.3-8.5 0L2 15" />
+  <path d="M2 19h8" />
+  <path d="M21 17v1c0 1 1 1.5 1 2.5 0 .8-.7 1.5-1.5 1.5h-5c-.8 0-1.5-.7-1.5-1.5 0-1 1-1.5 1-2.5v-1" />
+  <path d="M14 17h8" />
+</svg>