finish basic Docker credential helper implementation

src/views/approve/CollectResponse.svelte

@@ -26,6 +26,12 @@
         };
         dispatch('response');
     }
+
+    const actionDescriptions = {
+        Access: 'access your',
+        Delete: 'delete your',
+        Save: 'create new',
+    };
 </script>
 
 
@@ -52,7 +58,7 @@
         {:else if $appState.currentRequest.type === 'Ssh'}
             {appName ? `"${appName}"` : 'An application'} would like to use your SSH key "{$appState.currentRequest.key_name}".
         {:else if $appState.currentRequest.type === 'Docker'}
-            {appName ? `"${appName}"` : 'An application'} would like to use your Docker credentials for <code>{$appState.currentRequest.server_url}</code>.
+            {appName ? `"${appName}"` : 'An application'} would like to {actionDescriptions[$appState.currentRequest.action]} Docker credentials for <code>{$appState.currentRequest.server_url}</code>.
         {/if}
     </h2>
 

src/views/credentials/DockerCredential.svelte

@@ -83,6 +83,13 @@
                     bind:value={local.credential.ServerURL}
                 >
 
+                <span class="justify-self-end">Username</span>
+                <input
+                    type="text"
+                    class="input input-bordered font-mono bg-transparent"
+                    bind:value={local.credential.Username}
+                >
+
                 <span>Password</span>
                 <div class="font-mono">
                     <PassphraseInput class="bg-transparent" bind:value={local.credential.Secret} />