chore: added installation instructions

readme.md

@@ -24,10 +24,28 @@ Bruno is offline-only. There are no plans to add cloud-sync to Bruno, ever. We v
 
 ### Installation
 
-Bruno is available as binary download [on our website](https://www.usebruno.com/downloads) or via homebrew
+Bruno is available as binary download [on our website](https://www.usebruno.com/downloads) for Mac, Windows and Linux.
+
+You can also install Bruno via package managers like Homebrew, Chocolatey, Snap and Apt.
 
 ```sh
+# On Mac via Homebrew
 brew install bruno
+
+# On Windows via Chocolatey
+choco install bruno
+
+# On Linux via Snap
+snap install bruno
+
+# On Linux via Apt
+sudo mkdir -p /etc/apt/keyrings
+sudo gpg --no-default-keyring --keyring /etc/apt/keyrings/bruno.gpg --keyserver keyserver.ubuntu.com --recv-keys 9FA6017ECABE0266
+
+echo "deb [signed-by=/etc/apt/keyrings/bruno.gpg] http://debian.usebruno.com/ bruno stable" | sudo tee /etc/apt/sources.list.d/bruno.list
+
+sudo apt update
+sudo apt install bruno
 ```
 
 ### Run across multiple platforms 🖥️