Install oh my zsh and add zshrc config

.gitpod.dockerfile

@@ -10,4 +10,12 @@ RUN sudo -H pip install lit
 
 USER gitpod
 RUN wget -O "${HOME}/.tmux.conf" https://gist.githubusercontent.com/parth-07/37c028e1862c3f23eee1335ba2e49d4a/raw/27775dd06f22041c61804fbe4cabf761ef912611/.tmux.conf
-RUN wget -O "${HOME}/.vimrc" https://gist.githubusercontent.com/parth-07/184b3081fbe38eb81fdd1981f3603b6d/raw/d4bd9a83d85fb3ff8640f616fe4bd46007e09251/.vimrc
+RUN wget -O "${HOME}/.vimrc" https://gist.githubusercontent.com/parth-07/184b3081fbe38eb81fdd1981f3603b6d/raw/d4bd9a83d85fb3ff8640f616fe4bd46007e09251/.vimrc
+
+ENV CHSH yes
+RUN sh -c "$(wget https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh -O -)"
+RUN wget -O "${HOME}/.zshrc" https://gist.githubusercontent.com/parth-07/ae2560351187da19240a02d6c1463582/raw/4ad3dd2d2101cf19eb2bd11de173b505ad70419e/.zshrc
+RUN git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
+RUN git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions
+RUN sudo touch /workspace/.zsh_history
+RUN sudo ln -s /workspace/.zsh_history ~/