Add php postgres module

src/freedombone-app-pleroma

@@ -797,7 +797,7 @@ function install_pleroma {
         ONION_ONLY='no'
     fi
 
-    apt-get -yq install wget imagemagick
+    apt-get -yq install wget imagemagick php-pgsql
 
     # We need elixir 1.4+ here, so the debian repo package won't do
     install_elixir