Improve source command feedback

Enhance the "source" command by providing clearer feedback to users.
Now, if no source file is specified, the message explicitly suggests
using "source <file>" for better clarity. Additionally, a message is
printed when sourcing a file, improving user awareness.

Co-authored-by: JimmyChongz <[email protected]>
Change-Id: Ia1f5b9118ee369850ac6cc68f4e8344114c34a15

Author: EricccTaiwan

console.c

@@ -355,15 +355,15 @@ static bool do_option(int argc, char *argv[])
 static bool do_source(int argc, char *argv[])
 {
     if (argc < 2) {
-        report(1, "No source file given");
+        report(1, "No source file given. Use 'source <file>'.");
         return false;
     }
 
     if (!push_file(argv[1])) {
         report(1, "Could not open source file '%s'", argv[1]);
         return false;
     }
-
+    printf("Sourcing from: %s\n", argv[1]);
     return true;
 }