feat: add golang filter and mcp-server (#1942)

Co-authored-by: johnlanni <zty98751@alibaba-inc.com>

plugins/golang-filter/Dockerfile

@@ -0,0 +1,20 @@
+FROM golang:1.23 AS golang-base
+
+ARG GOPROXY
+ARG GO_FILTER_NAME
+
+ENV GOFLAGS=-buildvcs=false
+ENV GOPROXY=${GOPROXY}
+
+WORKDIR /workspace
+
+COPY . .
+
+WORKDIR /workspace/$GO_FILTER_NAME
+
+RUN go mod tidy
+RUN go build -o /$GO_FILTER_NAME.so -buildmode=c-shared .
+
+FROM scratch AS output
+ARG GO_FILTER_NAME
+COPY --from=golang-base /$GO_FILTER_NAME.so $GO_FILTER_NAME.so