docs: set unsafe HTML parsing to false and fix raw HTML insertion

This means that markdown files can't contain <thing> any more.

docs/content/seafile.md

@@ -4,7 +4,7 @@ description: "Seafile"
 date: "2020-05-19"
 ---
 
-<i class="fa fa-server"></i>Seafile
+{{< icon "fa fa-server" >}}Seafile
 ----------------------------------------
 
 This is a backend for the [Seafile](https://www.seafile.com/) storage service:
@@ -265,7 +265,7 @@ It has been actively tested using the [seafile docker image](https://github.com/
 Versions below 6.0 are not supported.
 Versions between 6.0 and 6.3 haven't been tested and might not work properly.
 
-<!--- autogenerated options start - DO NOT EDIT, instead edit fs.RegInfo in backend/seafile/seafile.go then run make backenddocs -->
+{{< rem autogenerated options start" - DO NOT EDIT - instead edit fs.RegInfo in backend/seafile/seafile.go then run make backenddocs" >}}
 ### Standard Options
 
 Here are the standard options specific to seafile (seafile).
@@ -284,7 +284,7 @@ URL of seafile host to connect to
 
 #### --seafile-user
 
-User name (usually email address)
+User name
 
 - Config:      user
 - Env Var:     RCLONE_SEAFILE_USER
@@ -300,15 +300,6 @@ Password
 - Type:        string
 - Default:     ""
 
-#### --seafile-2fa
-
-Two-factor authentication ('true' if the account has 2FA enabled)
-
-- Config:      2fa
-- Env Var:     RCLONE_SEAFILE_2FA
-- Type:        bool
-- Default:     false
-
 #### --seafile-library
 
 Name of the library. Leave blank to access all non-encrypted libraries.
@@ -327,22 +318,13 @@ Library password (for encrypted libraries only). Leave blank if you pass it thro
 - Type:        string
 - Default:     ""
 
-#### --seafile-auth-token
-
-Authentication token
-
-- Config:      auth_token
-- Env Var:     RCLONE_SEAFILE_AUTH_TOKEN
-- Type:        string
-- Default:     ""
-
 ### Advanced Options
 
 Here are the advanced options specific to seafile (seafile).
 
 #### --seafile-create-library
 
-Should rclone create a library if it doesn't exist
+Should create library if it doesn't exist
 
 - Config:      create_library
 - Env Var:     RCLONE_SEAFILE_CREATE_LIBRARY
@@ -360,5 +342,5 @@ See: the [encoding section in the overview](/overview/#encoding) for more info.
 - Type:        MultiEncoder
 - Default:     Slash,DoubleQuote,BackSlash,Ctl,InvalidUtf8
 
-<!--- autogenerated options stop -->
+{{< rem autogenerated options stop >}}