chore(version): update cs3d version and add iframe documentation (#3474)

platform/core/package.json

@@ -35,7 +35,7 @@
     "@cornerstonejs/codec-libjpeg-turbo-8bit": "^1.2.2",
     "@cornerstonejs/codec-openjpeg": "^1.2.2",
     "@cornerstonejs/codec-openjph": "^2.4.2",
-    "@cornerstonejs/dicom-image-loader": "^1.1.8",
+    "@cornerstonejs/dicom-image-loader": "^1.2.4",
     "@ohif/ui": "3.7.0-beta.11",
     "cornerstone-math": "0.1.9",
     "dicom-parser": "^1.8.21"