Convert to image handler hook based viewer insertion

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

extension.json

@@ -3,7 +3,7 @@
 	"author": "Justin Georgi",
 	"url": "https://gitea.azgeorgis.net/jgeorgi/mwModelViewer",
 	"description": "This extension allows .glb and .gltf files to be added, displayed, and annotated in MediaWiki",
-	"version": "0.0.3",
+	"version": "0.0.4",
 	"license-name": "MIT",
 	"type": "media",
 	"manifest_version": 2,
@@ -13,7 +13,8 @@
     "Hooks": {
 		"MimeMagicInit": "GlModelViewer::onMimeMagicInit",
         "MimeMagicImproveFromExtension": "GlModelViewer::onMimeMagicImproveFromExtension",
-        "BeforePageDisplay": "GlModelViewer::onBeforePageDisplay"
+        "BeforePageDisplay": "GlModelViewer::onBeforePageDisplay",
+        "ImageBeforeProduceHTML": "GlModelViewer::onImageBeforeProduceHTML"
 	},
     "ResourceFileModulePaths": {
       "localBasePath": "modules",