Use Hack as monospace font with good unicode coverage

This allows unicode in code blocks, as is especially popular in Julia submissions (openjournals/joss#963). Cc: openjournals/whedon#105
jedbrown · Jan 6, 2022 · 66d9651 · 66d9651
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commit 66d9651
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diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,7 @@
 FROM pandoc/latex:2.16.2
 
+RUN apk add --no-cache ttf-hack
+
 # Install additional LaTeX packages
 RUN tlmgr update --self && tlmgr install \
   algorithmicx \

diff --git a/data/templates/default.latex b/data/templates/default.latex
@@ -234,6 +234,9 @@ $endif$
 \UseMicrotypeSet[protrusion]{basicmath} % disable protrusion for tt fonts
 }{}
 
+% Use Hack https://sourcefoundry.org/hack/
+\setmonofont{Hack}
+
 \usepackage{hyperref}
 $if(colorlinks)$
 \PassOptionsToPackage{usenames,dvipsnames}{color} % color is loaded by hyperref