fix: Validates user input has no spaces

As of right now I can not see any reason to allow spaces in user input
for ANY of the fields (not just those in the `.env`).

Closes #13
Ref: Issue #5

src/Traits/ConsoleTools.php

@@ -75,14 +75,14 @@ protected function question($question, $default = '')
         do {
             $answer = $this->io->ask($question, $default);
 
-            $valid = ($answer !== '');
+            $valid = ($answer !== '' && strpos($answer, ' ') === false);
 
             if (!$valid) {
-                $this->warning('Cannot be empty!');
+                $this->warning('Cannot be empty or contain spaces!');
             }
 
         } while (!$valid);
 
-        return $answer;
+        return trim($answer);
     }
 }