minor edit [skip ci]

.devcontainer/node/Dockerfile

@@ -15,7 +15,9 @@ RUN apt-get install -y git procps
 
 # Install Tex Live
 RUN apt-get update && apt-get -y upgrade \
-    && apt-get -y install --no-install-recommends texlive-base texlive-latex-base \
+    && apt-get -y install --no-install-recommends \
+    texlive-base \
+    texlive-latex-base \
     texlive-extra-utils \
     biber chktex latexmk make \
     texlive-lang-chinese \

.devcontainer/texlive/Dockerfile

@@ -1,6 +1,7 @@
 FROM texlive/texlive:latest
 
-# Configure apt
+# https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions
+# https://github.com/nodesource/distributions/blob/master/README.md#installation-instructions
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt -y install curl 
 RUN curl -fsSL https://deb.nodesource.com/setup_16.x | bash -