Add email templates

punkow/service/email_templates/cancel.txt

@@ -0,0 +1,8 @@
+Your punkow request was cancelled.
+
+You can review the details at:
+{{ base_url }}/{{ req_key }}
+
+You can try to insert a new request.
+
+Have a nice day.

punkow/service/email_templates/confirmation.txt

@@ -0,0 +1,6 @@
+Punkow started to book an appointment for you.
+
+You can review or cancel your request at:
+{{ base_url }}/{{ req_key }}
+
+Good luck!

punkow/service/email_templates/success.txt

@@ -0,0 +1,15 @@
+Punkow booked your appointment!
+
+The details are:
+{% for key,value in meta.items() %}
+{{ key }}: {{ value }}
+{% endfor %}
+
+You can change or cancel the appointment at:
+{{ change_url }}
+
+To do so, you need this data:
+Vorgangsnummer: {{ process_id }}
+Code: {{ auth_code }}
+
+Have a nice day!