Update jenkinsfile indentation script

Jenkinsfile

@@ -7,15 +7,23 @@ pipeline {
                 script {
                     // Check for spaces or mixed indentation
                     sh '''
-                    if grep -P "^[ ]+" -r ./**/*.css; then
-                        echo "Error: Files contain spaces instead of tabs for indentation."
+                    # Define file extensions to check
+                    FILE_EXTENSIONS="css,json,js,java,htm,html,cpp,c,h,p,py,go,cs"
+
+                    echo "Checking for spaces in indentation..."
+                    grep -nrP '^[ ]+' --include="*.{$FILE_EXTENSIONS}" . || echo "No lines with spaces found."
+
+                    echo "Checking for mixed indentation..."
+                    grep -nrP '^\t+ +' --include="*.{$FILE_EXTENSIONS}" . || echo "No lines with mixed indentation found."
+
+                    if grep -nrP '^[ ]+' --include="*.{$FILE_EXTENSIONS}" . || \
+                       grep -nrP '^\t+ +' --include="*.{$FILE_EXTENSIONS}" .; then
+                        echo "Indentation issues detected. Please fix the above lines."
                         exit 1
+                    else
+                        echo "No indentation issues detected."
+                        exit 0
                     fi
-                    if grep -P "^\\t+ +" -r ./**/*.css; then
-                        echo "Error: Files contain mixed tabs and spaces for indentation."
-                        exit 1
-                    fi
-                    echo "No indentation errors detected."
                     '''
                 }
             }