Move contrib/ in scripts/ (#1848)

scripts/contrib/prototools-docker/Dockerfile

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+FROM golang:1.16.8-alpine3.13 AS build
+
+#ARG PROTOTOOL_VERSION=1.10.0
+ARG PROTODOC_VERSION=1.3.2
+ARG GRPC_GATEWAY_VERSION=1.16.0
+ARG REGEN_GOGOPROTO_VERSION=0.3.0
+ARG REGEN_PROTOBUF_VERSION=1.3.2-alpha.regen.4
+ARG BUF_VERSION=0.30.0
+
+RUN apk --no-cache add --update curl git libc6-compat make upx
+
+RUN go get -d \
+  github.com/gogo/protobuf/gogoproto && \
+  mkdir -p /usr/include/google/protobuf/ && \
+  mv /go/src/github.com/gogo/protobuf/protobuf/google/protobuf/empty.proto /usr/include/google/protobuf/ && \
+  mv /go/src/github.com/gogo/protobuf/protobuf/google/protobuf/descriptor.proto /usr/include/google/protobuf/
+
+RUN GO111MODULE=on go get \
+    github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway@v${GRPC_GATEWAY_VERSION} \
+    github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger@v${GRPC_GATEWAY_VERSION} && \
+    mv /go/bin/protoc-gen-grpc-gateway /usr/local/bin/ && \
+    mv /go/bin/protoc-gen-swagger /usr/local/bin/
+
+# Install regen fork of gogo proto
+# To install a fix version this can only be done via this go.mod workaround
+WORKDIR /work
+RUN GO111MODULE=on go mod init foobar && \
+    go mod edit -replace github.com/gogo/protobuf=github.com/regen-network/protobuf@v${REGEN_PROTOBUF_VERSION} && \
+    go get github.com/regen-network/cosmos-proto/protoc-gen-gocosmos@v${REGEN_GOGOPROTO_VERSION} && \
+    mv /go/bin/protoc-gen-gocosmos* /usr/local/bin/
+
+RUN GO111MODULE=on go get \
+  github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc@v${PROTODOC_VERSION} && \
+  mv /go/bin/protoc-gen-doc /usr/local/bin/
+
+RUN GO111MODULE=on go get \
+  github.com/bufbuild/buf/cmd/buf@v${BUF_VERSION} && \
+  mv /go/bin/buf /usr/local/bin/
+
+RUN upx --lzma /usr/local/bin/*
+
+FROM golang:1.19-alpine
+ENV LD_LIBRARY_PATH=/lib64:/lib
+
+WORKDIR /work
+RUN apk --no-cache add --update curl git libc6-compat make
+RUN apk --no-cache add --update ca-certificates libc6-compat protoc
+
+COPY --from=build /usr/local/bin /usr/local/bin
+COPY --from=build /usr/include /usr/include
+RUN chmod -R 755 /usr/include

scripts/contrib/prototools-docker/README.md

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+Prototool Docker Helper
+=======================
+Docker container for all the protobuf generation... 
+
+Based on the work by @pseudomuto [prototool-docker](https://github.com/charithe/prototool-docker) project:
+
+Installs generators and tools from:
+
+* https://github.com/bufbuild/buf
+* https://github.com/grpc-ecosystem
+* https://github.com/regen-network/cosmos-proto
+* https://github.com/pseudomuto/protoc-gen-doc
+
+### Build
+```shell script
+docker build -t cosmwasm/prototools-docker -f ./scripts/contrib/prototools-docker/Dockerfile .
+```
+
+```shell script
+docker run -it  -v $(go list -f "{{ .Dir }}" -m github.com/cosmos/cosmos-sdk):/workspace/cosmos_sdk_dir -v $(pwd):/workspace --workdir /workspace --env COSMOS_SDK_DIR=/cosmos_sdk_dir cosmwasm/prototool-docker sh
+```