chore: version 1.2.4.b2-panorama1, drop WASDMenuAPI project

- ModuleVersion 1.2.4.b2-panorama1; the startup version check and its download link now use
  git.zio.sh/cs2/jRandomSkills releases instead of upstream's GitHub
- updater.json lists the release
- Remove the unused WASDMenuAPI project from the solution and repo, and its README credit

updater.json

@@ -1,7 +1,13 @@
 {
     "name": "jRandomSkills",
-    "current_version": "v1.2.3.b3",
+    "current_version": "v1.2.4.b2-panorama1",
     "releases": [
+        {
+            "version": "v1.2.4.b2-panorama1",
+            "release_date": "2026-09-24",
+            "download": "https://git.zio.sh/cs2/jRandomSkills/releases/download/v1.2.4.b2-panorama1/jRandomSkills.v1.2.4.b2-panorama1.zip",
+            "output_folder": "addons/counterstrikesharp/"
+        },
         {
             "version": "v1.2.3.b3",
             "release_date": "2026-08-01",