Update with vodozemac build instructions

How-To-Build.md

@@ -1,13 +1,11 @@
-1. [Install flutter](https://flutter.dev)
+1. [Install flutter](https://flutter.dev) and [Rust](https://www.rust-lang.org/tools/install)
 
 2. Clone the repo:
 ```
 git clone https://github.com/krille-chan/fluffychat.git
 cd fluffychat
 ```
-
 3. Choose your target platform below and enable support for it.
-
 3.1 If you want, enable Googles Firebase Cloud Messaging:
 
 `git apply ./scripts/enable-android-google-services.patch`
@@ -16,8 +14,6 @@ cd fluffychat
 
 ### Android
 
-* Install CMake from the SDK Manager
-
 * Build with: `flutter build apk`
 
 ### iOS / iPadOS
@@ -32,11 +28,9 @@ cd fluffychat
 
 ### Web
 
-* Enable web support in Flutter: https://flutter.dev/docs/get-started/web
-
 * Build with:
 ```bash
-./scripts/prepare-web.sh # To install libolm
+./scripts/prepare-web.sh # To install Vodozemac
 flutter build web --release
 ```
 
@@ -52,7 +46,7 @@ flutter build web --release
 #### Install custom dependencies (Linux)
 
 ```bash
-sudo apt install libjsoncpp1 libsecret-1-dev libsecret-1-0 librhash0 libwebkit2gtk-4.0-dev libolm3
+sudo apt install libjsoncpp1 libsecret-1-dev libsecret-1-0 librhash0 libwebkit2gtk-4.0-dev
 ```
 
 * Build with one of these:
@@ -60,6 +54,4 @@ sudo apt install libjsoncpp1 libsecret-1-dev libsecret-1-0 librhash0 libwebkit2g
 flutter build linux --release
 flutter build windows --release
 flutter build macos --release
-```
-
-For encryption support you have to install [libolm](https://gitlab.matrix.org/matrix-org/olm) on your system.
+```