fix: clean vault/vaults output in n8n

- Parse vaults stdout into structured {name,path} pairs

- For vault/vaults, return parsed JSON directly (no stdout wrapper)

- Keep minimal output for all operations: stdout or parsed_stdout

- Bump n8n node package to 0.2.3

packages/n8n-nodes-obsidian-api/package.json

@@ -1,6 +1,6 @@
 {
   "name": "n8n-nodes-obsidian-cli-api",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "description": "n8n community nodes for the Obsidian API Docker service backed by the official Obsidian CLI.",
   "license": "MIT",
   "homepage": "https://git.yiprawr.dev/Docker/obsidian-api",