Adding validation for email-id field

src/CliService.php

@@ -81,7 +81,7 @@ public function createEdgeRoleForDrupal(
     string $password,
     ?string $base_url,
     ?string $role_name,
-    ?bool $force
+    ?bool $force,
   ) {
     $this->apigeeEdgeManagementCliService->createEdgeRoleForDrupal(
       $io,

src/CliServiceInterface.php

@@ -64,7 +64,7 @@ public function createEdgeRoleForDrupal(
     string $password,
     ?string $base_url,
     ?string $role_name,
-    ?bool $force
+    ?bool $force,
   );
 
 }

src/Command/Util/ApigeeEdgeManagementCliService.php

@@ -51,14 +51,16 @@ public function __construct(ClientInterface $http_client) {
   /**
    * {@inheritdoc}
    */
-  public function createEdgeRoleForDrupal(StyleInterface $io,
-                                          callable $t,
-                                          string $org,
-                                          string $email,
-                                          string $password,
-                                          ?string $base_url,
-                                          ?string $role_name,
-                                          bool $force) {
+  public function createEdgeRoleForDrupal(
+    StyleInterface $io,
+    callable $t,
+    string $org,
+    string $email,
+    string $password,
+    ?string $base_url,
+    ?string $role_name,
+    bool $force,
+  ) {
 
     // Set default base URL if var is null or empty string.
     if (empty($base_url)) {

src/Command/Util/ApigeeEdgeManagementCliServiceInterface.php

@@ -57,7 +57,7 @@ public function createEdgeRoleForDrupal(
     string $password,
     ?string $base_url,
     ?string $role_name,
-    bool $force
+    bool $force,
   );
 
 }

src/Commands/ApigeeEdgeCommands.php

@@ -103,7 +103,8 @@ public function createEdgeRole(
       'base-url' => NULL,
       'role-name' => NULL,
       'force' => FALSE,
-    ]) {
+    ],
+  ) {
 
     // Call the CLI Service.
     $this->cliService->createEdgeRoleForDrupal(