fix(readme): Update README installation instructions to recommend automated installer script and clarify npm installation

readme.md

@@ -62,26 +62,7 @@ nupst service status
 
 ## 📥 Installation
 
-### Via npm (NEW! - Recommended)
-
-Install NUPST globally using npm:
-
-```bash
-npm install -g @serve.zone/nupst
-```
-
-**Benefits:**
-
-- Automatic platform detection and binary download
-- Downloads only the binary for your platform (~400-500MB)
-- Easy updates via `npm update -g @serve.zone/nupst`
-- Version management with npm
-- Works with Node.js >=14
-
-**Note:** The installation will download the appropriate binary from GitHub releases during the
-postinstall step.
-
-### Automated Installer Script
+### Automated Installer Script (Recommended)
 
 The installer script handles everything automatically:
 
@@ -136,6 +117,16 @@ chmod +x nupst
 sudo mv nupst /usr/local/bin/nupst
 ```
 
+### Alternative: Via npm
+
+Alternatively, NUPST can be installed via npm:
+
+```bash
+npm install -g @serve.zone/nupst
+```
+
+**Note:** This method downloads the appropriate pre-compiled binary for your platform during installation.
+
 ### Verify Installation
 
 ```bash