add ocrmypdf

Currently the python-pdfminer.six AUR package is broken, so this needs
to be installed manually.

roles/pdf/tasks/main.yml

@@ -66,3 +66,22 @@
     state: present
   tags:
     - pdfgrep
+
+- name: Install OCRmyPDF and dependencies
+  aur:
+    name:
+      - python-pdfminer.six
+      - python-pikepdf
+      - python-ruffus
+      - ocrmypdf
+    user: "{{ user.name }}"
+  tags:
+    - ocrmypdf
+    - aur
+
+- name: Install tesseract-data-eng
+  pacman:
+    name: tesseract-data-eng
+    state: present
+  tags:
+    - ocrmypdf