fix response type of document for Text Generation Inference (#2743)

Signed-off-by: jitokim <pigberger70@gmail.com>

docs/openapi.json

@@ -36,7 +36,10 @@
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/GenerateResponse"
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/components/schemas/GenerateResponse"
+                  }
                 }
               },
               "text/event-stream": {

router/src/server.rs

@@ -109,7 +109,7 @@ request_body = CompatGenerateRequest,
 responses(
 (status = 200, description = "Generated Text",
 content(
-("application/json" = GenerateResponse),
+("application/json" = Vec<GenerateResponse>),
 ("text/event-stream" = StreamResponse),
 )),
 (status = 424, description = "Generation Error", body = ErrorResponse,