feat(dev): set PAGER=less

Requested by @mcrosson.

Closes: zmkfirmware/zmk-docker#1
PR: zmkfirmware/zmk-docker#52

.github/workflows/containers.yml

@@ -398,6 +398,8 @@ jobs:
         run: wget http://localhost:3000
       - name: Test less
         run: less --version
+      - name: Test PAGER
+        run: pager --version && [[ $PAGER = "less" ]] && true || false
       - name: Test ssh
         run: ssh -V
       - name: Stop container

Dockerfile

@@ -39,6 +39,7 @@ RUN \
 FROM common AS dev-generic
 
 ENV LC_ALL=C
+ENV PAGER=less
 
 RUN \
   apt-get -y update \