Add config.json

Minimal ds2api config

config.json

@@ -0,0 +1,11 @@
+{
+  "api_keys": [
+    "sk-114114aa"
+  ],
+  "accounts": [],
+  "model_aliases": {},
+  "runtime": {
+    "account_max_inflight": 2,
+    "auto_delete": "all"
+  }
+}