Merge pull request #15 from aarmea/u/aarmea/fix/no-clobber-config

Don't clober user configs on install

scripts/lib/install.sh

@@ -159,12 +159,16 @@ install_config() {
     maybe_sudo chown "$user:$user" "$user_config_dir"
     maybe_sudo chmod 0755 "$user_config_dir"
     
+    # Check if config already exists
+    if maybe_sudo test -f "$dst_config"; then
+        warn "Config file already exists at $dst_config, skipping"
+    else
         # Copy config file
         maybe_sudo cp "$source_config" "$dst_config"
         maybe_sudo chown "$user:$user" "$dst_config"
         maybe_sudo chmod 0644 "$dst_config"
-    
         success "Installed user configuration for $user"
+    fi
 }
 
 # Install everything