fix dockerfile regarding project rename

Dockerfile

@@ -4,13 +4,13 @@ RUN apt update && apt install -y musl-tools
 RUN rustup target add x86_64-unknown-linux-musl
 RUN rustup toolchain install nightly --target=x86_64-unknown-linux-musl --profile=minimal
 
-WORKDIR /usr/local/src/pixelflut/
-ADD Cargo.toml Cargo.lock /usr/local/src/pixelflut/
+WORKDIR /usr/local/src/pixeldike/
+ADD Cargo.toml Cargo.lock /usr/local/src/pixeldike/
 RUN cargo fetch --locked
-ADD . /usr/local/src/pixelflut/
+ADD . /usr/local/src/pixeldike/
 
 ARG target_cpu=x86-64
-RUN cargo build --offline --frozen --locked --target=x86_64-unknown-linux-musl --features=cli,tcp,udp,ws --release --bin=pixelflut
+RUN cargo build --offline --frozen --locked --target=x86_64-unknown-linux-musl --features=cli,tcp,udp,ws --release --bin=pixeldike
 
 
 #
@@ -19,9 +19,9 @@ RUN cargo build --offline --frozen --locked --target=x86_64-unknown-linux-musl -
 FROM docker.io/alpine as final
 RUN apk add --no-cache tini ffmpeg
 WORKDIR /app
-RUN adduser -h /usr/local/src/pixelflut -s /bin/sh -D -u 10001 -g 10001 pixelflut
+RUN adduser -h /usr/local/src/pixeldike -s /bin/sh -D -u 10001 -g 10001 pixeldike
 
-COPY --from=build /usr/local/src/pixelflut/target/x86_64-unknown-linux-musl/release/pixelflut /usr/local/bin/pixelflut
+COPY --from=build /usr/local/src/pixeldike/target/x86_64-unknown-linux-musl/release/pixeldike /usr/local/bin/pixeldike
 
-ENTRYPOINT ["/sbin/tini", "--", "pixelflut"]
+ENTRYPOINT ["/sbin/tini", "--", "pixeldike"]
 CMD ["--help"]