fix: update version number to 2.2.9 in package.json and correct API endpoint in createNamespaceDefinition

package.json

@@ -1,6 +1,6 @@
 {
   "name": "shsf-cli",
-  "version": "2.2.8",
+  "version": "2.2.9",
   "description": "",
   "type": "module",
   "files": [

src/commands/create/namespace.ts

@@ -17,7 +17,7 @@ export const createNamespaceDefinition = {
     const client = await getApiClient();
 
     try {
-      const response = await client.post("/api/namespaces", data);
+      const response = await client.post("/api/namespace", data);
 
       if (response.status === 200 || response.status === 201) {
         console.log(