Fix catalog formatting

Author: ColinMcNeil

prompts/catalog.yaml

@@ -3,11 +3,11 @@ registry:
     description: "Get information about an NPM project"
     ref: "github:docker/labs-ai-tools-for-devs/main/prompts/npm-project.md"
     icon: "https://cdn.jsdelivr.net/npm/simple-icons@v7/icons/npm.svg"
- - name: SQL Agent
-   description: "Run a SQL query against a sqlite database"
-   ref: "github:docker/labs-ai-tools-for-devs/main/prompts/sql/prompt.md"
-   icon: "https://cdn.jsdelivr.net/npm/simple-icons@v7/icons/sqlite.svg"
- - name: "Recommended Tags"
-   description: "Get recommended tags for a Docker image"
-   ref: "github:docker/labs-ai-tools-for-devs/main/prompts/recommended-tags.md"
-   icon: "https://cdn.jsdelivr.net/npm/simple-icons@v7/icons/docker.svg"
+  - name: SQL Agent
+    description: "Run a SQL query against a sqlite database"
+    ref: "github:docker/labs-ai-tools-for-devs/main/prompts/sql/prompt.md"
+    icon: "https://cdn.jsdelivr.net/npm/simple-icons@v7/icons/sqlite.svg"
+  - name: "Recommended Tags"
+    description: "Get recommended tags for a Docker image"
+    ref: "github:docker/labs-ai-tools-for-devs/main/prompts/recommended-tags.md"
+    icon: "https://cdn.jsdelivr.net/npm/simple-icons@v7/icons/docker.svg"