Enhance deploy workflow with manual trigger and install logic

Added manual trigger for workflow and improved dependency installation logic.

Author: ShadowSkeleton

.github/workflows/deploy.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main  # or 'master' if your repo uses that
+  workflow_dispatch:  # ✅ allows manual run from GitHub Actions UI
 
 permissions:
   contents: write
@@ -22,7 +23,12 @@ jobs:
           node-version: 20
 
       - name: Install dependencies
-        run: npm ci
+        run: |
+          if [ -f package-lock.json ]; then
+            npm ci
+          else
+            npm install
+          fi
 
       - name: Build project
         run: npm run build