added pgvector docker image

pgvector/Dockerfile

@@ -0,0 +1,14 @@
+ARG PG_VERSION=17
+FROM postgres:${PG_VERSION}-alpine AS build
+
+WORKDIR /
+RUN apk update
+RUN apk add gcc make musl-dev clang19 llvm19
+ADD https://github.com/pgvector/pgvector.git#v0.8.0 pgvector
+WORKDIR pgvector
+RUN make
+RUN make install
+
+FROM postgres:alpine AS release
+RUN rm -rf /usr/local
+COPY --from=build /usr/local /usr/local