Add hint to press Enter when adding labels to SI (#840)

* Add hint to press Enter when adding labels to SI

* Bump image

* Add quotes

* Change hint

* Change hint

docs/contributor/09-10-ui.md

@@ -30,7 +30,7 @@ Follow the steps below to run BTP Manager with UI:
     ```
 3. Set the **IMG** environment variable to the image of BTP Manager with UI.
     ```shell
-    export IMG=europe-docker.pkg.dev/kyma-project/dev/btp-manager:PR-799
+    export IMG=europe-docker.pkg.dev/kyma-project/dev/btp-manager:PR-840
     ```
 4. Run `deploy` makefile rule to deploy BTP Manager with UI.
     ```shell
@@ -42,7 +42,7 @@ Follow the steps below to run BTP Manager with UI:
     ```
     If you encounter the following error during Pod creation due to Warden's admission webhook:
     ```
-    Error creating: admission webhook "validation.webhook.warden.kyma-project.io" denied the request: Pod images europe-docker.pkg.dev/kyma-project/dev/btp-manager:PR-799 validation failed
+    Error creating: admission webhook "validation.webhook.warden.kyma-project.io" denied the request: Pod images europe-docker.pkg.dev/kyma-project/dev/btp-manager:PR-840 validation failed
     ```
     you must scale the BTP Manager deployment to 0 replicas, delete the webhook, and then scale the deployment back to 1 replica.
     ```shell

ui/src/components/CreateInstanceForm.tsx

@@ -153,6 +153,7 @@ function CreateInstanceForm(props: any) {
                             tokens={labels.map(label => <ui5.Token text={label} />)}
                             type="Text"
                             valueState="None"
+                            placeholder='Enter a label with a "key=value" format. After adding a label, press "Enter" to add another label'
                         />
                     </ui5.FormItem>