Add salmon to base image

[kopardev]

something like this

# Set the Salmon version
ENV SALMON_VERSION=1.10.1

# Download and install Salmon
RUN wget https://github.com/COMBINE-lab/salmon/releases/download/v$SALMON_VERSION/salmon-$SALMON_VERSION_linux_x86_64.tar.gz && \
    tar -xzf salmon-$SALMON_VERSION_linux_x86_64.tar.gz && \
    mv salmon-$SALMON_VERSION_linux_x86_64 /usr/local/salmon && \
    ln -s /usr/local/salmon/bin/salmon /usr/local/bin/salmon && \
    rm salmon-$SALMON_VERSION_linux_x86_64.tar.gz