feat(rm): add localized prompt messages for interactive mode

Add translations for rm command prompts in English and French, and update Linux-specific code to use localized strings instead of hardcoded messages, improving internationalization support.

Author: mattsu2020

src/uu/rm/src/rm.rs

@@ -551,11 +551,27 @@ fn is_writable_metadata(metadata: &Metadata) -> bool {
     (mode & 0o200) > 0
 }
 
+/// Whether the given file or directory is writable.
+#[cfg(unix)]
+fn is_writable(path: &Path) -> bool {
+    match fs::metadata(path) {
+        Err(_) => false,
+        Ok(metadata) => is_writable_metadata(&metadata),
+    }
+}
+
 #[cfg(not(unix))]
 fn is_writable_metadata(_metadata: &Metadata) -> bool {
     true
 }
 
+/// Whether the given file or directory is writable.
+#[cfg(not(unix))]
+fn is_writable(_path: &Path) -> bool {
+    // TODO Not yet implemented.
+    true
+}
+
 /// Recursively remove the directory tree rooted at the given path.
 ///
 /// If `path` is a file or a symbolic link, just remove it. If it is a