build: latex dependencies installation

.github/workflows/documentation.yml

@@ -53,6 +53,7 @@ jobs:
           git fetch origin gh-pages --depth=1
       - name: Installing API reference dependencies
         run: |
+          sudo apt install latexmk texlive-latex-recommended texlive-latex-extra texlive-fonts-recommended lmodern
           sudo apt install haskell-stack graphviz nodejs npm ghc cabal-install
           npm install split mathjax-full mathjax-node-sre
           cabal update

.gitpod/Dockerfile

@@ -19,6 +19,12 @@ RUN sudo install-packages \
   libz-dev
 
 # Install API reference dependencies
+RUN sudo install-packages \
+  latexmk \
+  texlive-latex-recommended \
+  texlive-latex-extra \
+  texlive-fonts-recommended \
+  lmodern
 RUN sudo install-packages \
   haskell-stack \
   graphviz \