desktop: Install Emacs GTK version

desktop/tasks/software.yml

@@ -118,6 +118,19 @@
       - gdb
     state: present
 
+- name: Install Emacs GTK and additional Emacs packages
+  apt:
+    name:
+      - emacs-gtk
+      - emacs-common-non-dfsg
+      - elpa-debian-el
+      - elpa-devscripts
+      - elpa-dpkg-dev-el
+      - elpa-pdf-tools
+    state: present
+  tags:
+    - emacs
+
 - name: Remove legacy Mozilla packages
   apt:
     name: xul-ext-quotecolors