add adapter sink

adapter/sink/Dockerfile

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+# Copyright 2018 The KubeSphere Authors. All rights reserved.
+# Use of this source code is governed by a Apache license
+# that can be found in the LICENSE file.
+
+# Copyright 2018 The KubeSphere Authors. All rights reserved.
+# Use of this source code is governed by a Apache license
+# that can be found in the LICENSE file.
+
+FROM golang:1.13 as notification-adapter
+
+COPY cmd/main.go /
+COPY cmd/types.go /
+WORKDIR /
+ENV GOPROXY=https://goproxy.io
+RUN CGO_ENABLED=0 GO111MODULE=on go build -i -ldflags '-w -s' -o notification-adapter main.go types.go
+
+FROM alpine:3.9
+
+COPY --from=notification-adapter /notification-adapter /usr/local/bin/
+
+RUN adduser -D -g kubesphere -u 1002 kubesphere && \
+    chown -R kubesphere:kubesphere /usr/local/bin/notification-adapter && \
+    apk add libcap && \
+    setcap 'CAP_NET_BIND_SERVICE=+ep' /usr/local/bin/notification-adapter
+
+USER kubesphere
+CMD ["sh"]

adapter/sink/Makefile

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+# Copyright 2018 The KubeSphere Authors. All rights reserved.
+# Use of this source code is governed by a Apache license
+# that can be found in the LICENSE file.
+
+IMG ?= kubespheredev/notification-adapter:v0.1.0
+AMD64 ?= -amd64
+
+all: docker-build
+
+# Build kube-audit-operator binary
+notification-adapter:
+	go build -o notification-adapter cmd/main.go
+
+# Build the docker image
+docker-build:
+	docker buildx build --platform linux/amd64,linux/arm64 --push -f Dockerfile -t ${IMG} .
+
+# Build the docker image for arm64
+docker-build-amd64:
+	docker build -f Dockerfile -t ${IMG}${AMD64} .
+
+# Push the docker image
+push-amd64:
+	docker push ${IMG}${AMD64}

adapter/sink/README.md

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+# notification-adapter
+
+Notification-adapter receive notifications from notifcation manager and export with the socket.