docs(README): update installation instructions for various distributions

README.md

@@ -6,6 +6,32 @@ Unitdore bridges your container runtime (Podman, Docker) and systemd. It discove
 
 ## Install
 
+**Arch Linux (AUR)**
+
+```bash
+yay -S unitdore
+```
+
+**Debian / Ubuntu**
+
+Download the `.deb` from the [releases page](https://git.warky.dev/wdevs/unitdore/releases) and install:
+
+```bash
+sudo dpkg -i unitdore_*.deb
+```
+
+**CentOS / AlmaLinux / Rocky Linux**
+
+Download the `.rpm` from the [releases page](https://git.warky.dev/wdevs/unitdore/releases) and install:
+
+```bash
+sudo rpm -i unitdore-*.rpm
+# or with dnf:
+sudo dnf install unitdore-*.rpm
+```
+
+**From source**
+
 ```bash
 make build
 sudo make install