Add password reset (#3)

config.yml.sample

@@ -5,6 +5,8 @@ service:
   JWTSecret: "cei6gaezoosah2bao3ieZohkae5aicah"
   # The interface on which to run the webserver
   interface: ":3456"
+  # The URL of the frontend, used to send password reset emails.
+  frontendurl: ""
 
 database:
   # Database type to use. Supported types are mysql and sqlite.
@@ -33,3 +35,17 @@ cache:
   redishost: 'localhost:6379'
   # When using redis, this is the password used to authenicate against the redis server
   redispassword: ''
+
+mailer:
+  # SMTP Host
+  host: ''
+  # SMTP Host port
+  port: 587
+  # SMTP username
+  username: 'user'
+  # SMTP password
+  password: ''
+  # Wether to skip verification of the tls certificate on the server
+  skiptlsverify: false
+  # The default from address when sending emails
+  fromemail: 'mail@vikunja'