added nautilus scripts (needs nautilus-python package)

.local/share/nautilus/scripts/File permissions/Set executable for '.sh' (recursive)

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# Source the script 'common-functions.sh'.
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
+ROOT_DIR=$(grep --only-matching "^.*scripts[^/]*" <<<"$SCRIPT_DIR")
+source "$ROOT_DIR/common-functions.sh"
+
+_main() {
+    local input_files=""
+    local output_dir=""
+
+    # Execute initial checks.
+    _check_dependencies ""
+    _display_wait_box "2"
+    input_files=$(_get_files "par_type=file; par_recursive=true; par_select_extension=sh")
+
+    # Execute the function '_main_task' for each file in parallel.
+    _run_task_parallel "$input_files" "$output_dir"
+    _display_result_box ""
+}
+
+_main_task() {
+    local input_file=$1
+    local output_dir=$2
+    local std_output=""
+
+    # Run the main process.
+    std_output=$(chmod +x -- "$input_file" 2>&1)
+    _check_output "$?" "$std_output" "$input_file" "" || return 1
+}
+
+_main "$@"