Added Dockerfile, updated README and pumped Version

Dockerfile

@@ -0,0 +1,19 @@
+FROM rust:alpine as builder
+
+RUN apk update
+RUN apk add build-base
+
+WORKDIR /usr/local/src/gemserv
+COPY Cargo.lock Cargo.lock
+COPY Cargo.toml Cargo.toml
+COPY src src
+COPY cgi-scripts cgi-scripts
+RUN cargo build --release
+RUN strip -s target/release/gemserv
+
+## Second stage: single-binary container
+FROM scratch
+
+COPY --from=builder /usr/local/src/gemserv/target/release/gemserv /usr/local/bin/gemserv
+ENTRYPOINT ["/usr/local/bin/gemserv"]
+CMD ["/gemserv/config.toml"]