chore: add print_openapi_schema and start-mock-server.sh script

scripts/backend-development/start-mock-server.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+parent_path=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
+
+# switch to backend directory
+pushd "$parent_path/../../backend"
+
+export DEBUG_SKIP_API_KEY_CHECK=True
+
+python -m print_openapi_schema > oasst-openapi.json
+
+MOCK_SERVER_PORT=8080
+
+docker run -d -it --rm \
+  -p $MOCK_SERVER_PORT:8080 \
+  --name wiremock \
+  wiremock/wiremock:2.35.0
+
+sleep 1
+
+curl -X POST -d @oasst-openapi.json http://localhost:$MOCK_SERVER_PORT/__admin/mappings/import
+
+popd