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/flower-tulip.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="M12 7c-2-3.2-6-4-6-4v5c0 3.3 2.7 6 6 6v8" />
+  <path d="M9.5 4.5C10 3 12 2 12 2s2 1 2.5 2.5" />
+  <path d="M12 14c3.3 0 6-2.7 6-6V3c-6.2.9-10.8 11-6 11" />
+  <path d="M12 22c-4.2 0-7-1.7-7-5 4.2 0 7 1.7 7 5" />
+  <path d="M12 22c4.2 0 7-1.7 7-5-4.2 0-7 1.7-7 5" />
+</svg>