github/issues: Add links for Docker Desktop and Sandboxes

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>

Author: vvoland

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,11 @@
 blank_issues_enabled: false
 contact_links:
+  - name: "Docker Sandboxes: report an issue"
+    about: "Issues with Docker Sandboxes should be filed in the Docker Desktop feedback tracker (not docker/cli)."
+    url: "https://github.com/docker/desktop-feedback/issues"
+  - name: "Docker Desktop: report an issue"
+    about: "General Docker Desktop issues (installation, upgrades, UI, networking on macOS/Windows, WSL2, etc.) should be filed in the Docker Desktop feedback tracker (not docker/cli)."
+    url: "https://github.com/docker/desktop-feedback/issues"
   - name: "Contributing to Docker"
     about: "Read guidelines and tips about contributing to Docker."
     url: "https://github.com/docker/cli/blob/master/CONTRIBUTING.md"