add vscode extension development packages

Author: Tsche

devcontainer/Dockerfile

@@ -2,13 +2,20 @@ FROM ghcr.io/rsl-org/fedora_p2996:latest
 
 RUN echo '%wheel ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
 
+# zsh for root
 RUN dnf install -y zsh
 RUN sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended
 RUN sed -i 's/robbyrussell/eastwood/g' /root/.zshrc
 RUN chsh -s /bin/zsh
 
+# local conan repository for in-dev versions of dependencies
 RUN git clone https://github.com/rsl-org/conan
 RUN conan remote add rsl ./conan
 
-ADD setup_user.sh /setup_user.sh
-RUN chmod a+x /setup_user.sh
+# local user setup helper
+COPY setup_user.sh /setup_user.sh
+RUN chmod a+x /setup_user.sh
+
+# vscode extension development
+RUN dnf install -y nodejs npm
+RUN npm install --global yo generator-code