swag: add --requiredByDefault option (#5)

script/bootstrap.sh

@@ -1,4 +1,4 @@
-swag init --pd -d . -g ./cmd/dashboard/main.go -o ./cmd/dashboard/docs
+swag init --pd -d . -g ./cmd/dashboard/main.go -o ./cmd/dashboard/docs --requiredByDefault
 protoc --go-grpc_out="require_unimplemented_servers=false:." --go_out="." proto/*.proto
 rm -rf ../agent/proto
 cp -r proto ../agent