feat!: replace dgeni/gulp with TypeDoc for README generation

Replace the legacy dgeni/gulp documentation pipeline with TypeDoc
and typedoc-plugin-markdown. Generates plugin README files with
extracted @Plugin() decorator metadata. Register custom JSDoc tags
used by plugin source files.

docs/plugins/firebase-model/README.md

@@ -1,14 +1,12 @@
-# FirebaseModelInput
-Result
-t
-cordova plugin add cordova-plugin-firebase-model
+# Firebase Model
+
+```
+$ ionic cordova plugin add cordova-plugin-firebase-model
 $ npm install @awesome-cordova-plugins/firebase-model
 ```
 
 ## [Usage Documentation](https://danielsogl.gitbook.io/awesome-cordova-plugins/plugins/firebase-model/)
 
-Plugin Repo: ['']('')
-
 This plugin downloads the TensorFlow model from firebase and classify the images.
 
 ```typescript
@@ -40,6 +38,4 @@ catch (e) {
 ## Supported platforms
 
 - iOS
-  
-