Add logging function with improved output formatting

- Introduced a log() function to capture console output to a file
- Added date separator and blank lines for better readability
- Stripped ANSI color codes to avoid strange characters in the log

lib/colors.sh

@@ -1,4 +1,13 @@
-RED='\033[0;31m'
-GREEN='\033[0;32m'
-BLUE='\033[0;34m'
-NC='\033[0m' # No Color
+if [ -t 1 ]; then
+    # Terminal supports colors
+    NC='\033[0m'          # No Color
+    RED='\033[0;31m'
+    GREEN='\033[0;32m'
+    BLUE='\033[0;34m'
+else
+    # Disable colors for non-terminal outputs (like logs)
+    NC=''
+    RED=''
+    GREEN=''
+    BLUE=''
+fi