Clean up install script

scripts/add_to_environment.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+add_to_environment() {
+    local path="$1"
+    # Check if the path is already in the environment file
+    if ! grep -q "$path" /etc/environment; then
+        # Get current PATH from environment file
+        current_path=$(grep "^PATH=" /etc/environment | cut -d'"' -f2)
+        
+        if [ -z "$current_path" ]; then
+            # If PATH doesn't exist in the file, create it
+            echo "PATH=\"\$PATH:$path\"" >> /etc/environment
+        else
+            # Replace existing PATH line with updated one
+            sed -i "s|^PATH=.*|PATH=\"$path:$current_path\"|" /etc/environment
+        fi
+    fi
+}