feat: complete command completion in shell

kernel/src/Api/BuildNo.hpp

@@ -12,4 +12,4 @@
 
 #pragma once
 
-#define MONTAUK_BUILD_NUMBER 108
+#define MONTAUK_BUILD_NUMBER 110

programs/src/shell/main.cpp

@@ -441,6 +441,15 @@ extern "C" void _start() {
             char* table[128] = { };
             int n = get_completions(line, table, 128, cwd, current_drive);
 
+            // Command completion if there is only 1 match
+            if (n == 1) {
+                size_t chars_already_typed = pos;
+                pos = 0;
+
+                montauk::strncpy(line, table[0], 256);
+                pos = montauk::slen(table[0]);
+                montauk::print(table[0] + chars_already_typed);
+            } else { // If more than one result, print multiple results
                 montauk::print("\n");
                 for (int i = 0; i < n; i++) {
                     montauk::print("  ");
@@ -450,6 +459,7 @@ extern "C" void _start() {
 
                 pos = 0;
                 prompt();
+            }
 
             continue;
         }