[Etherpad] Add Abiword to import/export document as odf/pdf/doc

pica-etherpad/Dockerfile

@@ -61,7 +61,7 @@ COPY --from=downloader /opt/etherpad-lite /opt/etherpad-lite/
 RUN chown -R etherpad /opt/etherpad-lite
 
 RUN apt-get update && \
-    apt-get install -y curl nano postgresql-client && \
+    apt-get install -y curl nano postgresql-client abiword && \
     chmod +x /opt/etherpad-lite/entrypoint.sh && \
     usermod -d /opt/etherpad-lite etherpad && \
     chown -R etherpad /opt/etherpad-lite && \

pica-etherpad/docker-compose.yml

@@ -40,6 +40,7 @@ services:
       THEME: "colibris"
       TITLE: "Picapad"
       TRUST_PROXY: "true"
+      ABIWORD: "/usr/bin/abiword"
     networks:
       - proxy
       - standard
@@ -78,6 +79,7 @@ services:
       THEME: "colibris"
       TITLE: "Picapad Hebdo"
       TRUST_PROXY: "true"
+      ABIWORD: "/usr/bin/abiword"
     depends_on:
       - etherpad-week-db
     networks: