Updating documentation

PREINSTALL.md

@@ -16,25 +16,43 @@ be triggered for each event. The plugin also supports multiple platforms
 See [README](https://github.com/oddbit/firebase-alerts#readme) for complete list 
 of feature and platform support
 
-### Configuring webhooks
+# Configuring the extension
+## Webhooks
 The extension require at least one webhook to be defined during the installation.
 At the moment you can only declare one webhook per platform.
 
-### Additional setup
+This webhook URL can be obtained by reading the apps and integrations documentation
+for any of the platforms that are supported by this extension: 
+[Google Chat](https://developers.google.com/chat/how-tos/webhooks#create_a_webhook), 
+[Slack](https://slack.com/apps/A0F7XDUAZ-incoming-webhooks),
+and [Discord](https://support.discord.com/hc/en-us/articles/228383668-Intro-to-Webhooks).
 
-Before installing this extension, make sure that you've [set up a Cloud Firestore database](https://firebase.google.com/docs/firestore/quickstart) in your Firebase project.
+## App information
+You will be required to explicitly configure app id, bundle in order for the extension
+to be able to generate URLs to Firebase console, to make direct links to crashlytics etc.
 
-After installing this extension, you'll need to set up webhooks and complete some information about 
-the mobile and web apps that you have configured for your project. 
+### App ID
+The app ID is the string that is uniquely used by Firebase to identify your application and 
+you can find it in the Firebase console looking something like this: `1:269808624035:android:296863cf1f5b6817c87a16`
 
-Detailed information for these post-installation tasks are provided after you install this extension.
+### Bundle ID
+The bundle id is the ID that you have configured in your mobile app configuration, e.g. `id.oddbit.app.example`. 
 
 
-#### Billing
+Although web apps do not have bundle ids, Firebase is still using
+an equivalent representation for some of the console URLs. As shown in the example below,
+you can find the web app's "bundle ID" on the URL looking something 
+like: `web:NzE5YzVlZDktZjJjOS00Y2Y2LTkzNjQtZTM0ZmJhNjU0MmY3`
+
+
+![Web App Bundle ID](https://github.com/oddbit/firebase-alerts/raw/main/doc/images/web-app-bundle-id.png)
+
+
+
+# Billing
 
 To install an extension, your project must be on the [Blaze (pay as you go) plan](https://firebase.google.com/pricing)
 
 - You will be charged a small amount (typically around $0.01/month) for the Firebase resources required by this extension (even if it is not used).
 - This extension uses other Firebase and Google Cloud Platform services, which have associated charges if you exceed the service’s no-cost tier:
- - Cloud Firestore
  - Cloud Functions (Node.js 16+ runtime. [See FAQs](https://firebase.google.com/support/faq#extensions-pricing))

README.md

@@ -9,7 +9,7 @@ Currently supported platforms and alerts according to [roadmap](https://github.c
 | Google Chat | [❌](https://github.com/oddbit/firebase-alerts/issues/2)  | ✅ | [❌](https://github.com/oddbit/firebase-alerts/issues/1) | ❌ |
 | Slack       | ❌  | ✅ | ❌ | ❌ |
 | Discord     | ❌  | ✅ | ❌ | ❌ |
-
+| MS Teams    | ❌  | ❌ | ❌ | ❌ |
 
 # Getting involved
 If you're reading this, you're awesome!