add FiraCode NerfFont files

Dockerfile

@@ -24,3 +24,7 @@ RUN \
   echo 'source /etc/bash_completion.d/install-devruntime-completion' >> /etc/bash.bashrc && \
   touch "$HOME/enable_motd" && \
   echo "if [[ -e \"$HOME/enable_motd\" ]]; then echo -e \"Use \\e[32m'install-devruntime'\\e[0m to install missing runtimes like dotnet or NodeJs.\"; fi" >> /etc/bash.bashrc
+
+WORKDIR /app/code-server/lib/vscode/out/vs/workbench
+ADD FiraCode/* .
+RUN cat fonts.css >> workbench.web.main.css

FiraCode/fonts.css

@@ -0,0 +1,28 @@
+/* ::CUSTOM VSCODE FONTS:: */
+@font-face {
+  font-family: 'FiraCode';
+  src: url('fonts/FiraCode-Regular-NerdFont-Complete') format('ttf');
+  font-weight: 400;
+  font-style: normal;
+}
+
+@font-face {
+  font-family: 'FiraCode Mono';
+  src: url('fonts/FiraCode-Regular-NerdFont-Complete-Mono') format('ttf');
+  font-weight: 400;
+  font-style: normal;
+}
+
+@font-face {
+  font-family: 'FiraCode Win';
+  src: url('fonts/FiraCode-Regular-NerdFont-Complete-Windows-Compatible') format('ttf');
+  font-weight: 400;
+  font-style: normal;
+}
+
+@font-face {
+  font-family: 'FiraCode Win Mono';
+  src: url('fonts/FiraCode-Regular-NerdFont-Complete-Mono-Windows-Compatible.ttf') format('ttf');
+  font-weight: 400;
+  font-style: normal;
+}