refactor: update starship.toml file path and add optional icon parameter in setup.sh

setup.sh

@@ -31,10 +31,19 @@ configure_starship() {
 
 # Function to overwrite starship.toml
 overwrite_starship_toml() {
-    if [ -f "./terminal/starship.toml" ]; then
+    local icon="$1"
+    local starship_toml_path="./terminal/starship.toml"
+    
+    if [ -f "$starship_toml_path" ]; then
         echo "Overwriting starship.toml..."
         mkdir -p ~/.config/starship
-        cp ./terminal/starship.toml ~/.config/starship.toml
+        
+        # Insert icon before hostname if provided
+        if [ -n "$icon" ]; then
+            sed -i "s/format = \"\"\"/format = \"\"\"\[ $icon \](fg:color_fg0)\\n/" "$starship_toml_path"
+        fi
+        
+        cp "$starship_toml_path" ~/.config/starship/starship.toml
     else
         echo "starship.toml not found in the repository."
         exit 1
@@ -46,6 +55,18 @@ install_fish
 set_default_fish
 install_starship
 configure_starship
-overwrite_starship_toml
+
+# Check for the optional icon parameter
+icon_param=""
+while getopts ":i:" opt; then
+  case $opt in
+    i) icon_param="$OPTARG"
+    ;;
+    \?) echo "Invalid option -$OPTARG" >&2
+    ;;
+  esac
+done
+
+overwrite_starship_toml "$icon_param"
 
 echo "Fish shell and Starship prompt setup complete!"