Release 0.3.21 (#459)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

.changeset/five-goats-yawn.md

----
-"create-llama": patch
----
-
-Add query endpoint

CHANGELOG.md

 # create-llama
 
+## 0.3.21
+
+### Patch Changes
+
+- 95227a7: Add query endpoint
+
 ## 0.3.20
 
 ### Patch Changes

package.json

 {
   "name": "create-llama",
-  "version": "0.3.20",
+  "version": "0.3.21",
   "description": "Create LlamaIndex-powered apps with one command",
   "keywords": [
     "rag",