README updates

README.md

@@ -1,10 +1,10 @@
 <div align="center">
 
-<img src="assets/sup.webp" alt="SUP Icon" width="80" height="80" />
+<img src="assets/sup.webp" alt="SUP Icon" width="120" height="120" />
 
 # SUP
 
-**SUP (Signal Unified Push) is a privacy-preserving push notification system using Signal as transport**
+**Privacy-preserving push notification system using Signal as transport**
 
 [Setup](#setup) • [Real-World Examples](#real-world-examples) • [Architecture](#architecture)
 
@@ -34,6 +34,8 @@ For the optional Proton Mail integration, SUP requires a server that runs Proton
 
 ### 1. Install Android App (Optional)
 
+> ⚠️ **Early Alpha**: The Android app is currently unavailable, but is planned for the full release of SUP.
+
 An Android app is optionally available to connect UnifiedPush Android apps to the SUP server. It can also provide a better experience for displaying SUP-based notifications if the `ENABLE_ANDROID_INTEGRATION` environment variable is enabled on the server.
 
 Download the latest APK from [GitHub Releases](https://github.com/lone-cloud/sup/releases).
@@ -46,6 +48,8 @@ Download the latest APK from [GitHub Releases](https://github.com/lone-cloud/sup
 
 ### 2. Proton Mail Integration (Optional)
 
+> ⚠️ **Early Alpha**: Currently only `docker-compose.dev.yml` dev deployments are available.
+
 A Proton Mail Bridge is optionally available if you want to receive push notifications for incoming emails.
 
 > **Note:** The default Proton Mail Bridge image uses `shenxn/protonmail-bridge:build` which compiles from source and supports multiple architectures. For x86_64 systems, you can use `shenxn/protonmail-bridge:latest` (pre-built binary, smaller and faster). For ARM devices (Raspberry Pi), stick with `:build`.
@@ -94,6 +98,8 @@ Note that the bridge will first need to sync all of your old emails before you c
 
 ### 3. Install SUP Server
 
+> ⚠️ **Early Alpha**: Currently only `docker-compose.dev.yml` dev deployments are available.
+
 ```bash
 # Download docker-compose.yml
 curl -L -O https://raw.githubusercontent.com/lone-cloud/sup/master/docker-compose.yml
@@ -168,7 +174,7 @@ docker compose -f docker-compose.dev.yml up protonmail-bridge
 
 Receive instant Signal notifications when new emails arrive in your Proton Mail inbox.
 
-SUP monitors your Proton Mail account via the local Proton Mail Bridge and forwards email alerts through Signal. This relies on the same technology that a third party email client like Thunderbird would be using to integrate with Proton Mail.
+SUP monitors your Proton Mail account via the local Proton Mail Bridge and forwards email alerts through Signal. This relies on the same technology that a third-party email client like Thunderbird would be using to integrate with Proton Mail.
 
 ### Home Assistant Alerts