caldav/carddav in linux: added todoman and put vdirsyncer into own entry

wiki/linux/khard.md

@@ -1,44 +1,16 @@
 # Khard
 
 `khard` is a adressbook that runs in your terminal.
-To sync the data using CardDAV you'll need `vdirsyncer` aswell.
+You can sync it with [vdirsyncer](vdirsyncer.md).
 
 ## Setup
 
 ### Arch Linux
 
-- `pacman -S khard vdirsyncer` - Install needed programs
+- `pacman -S khard` - Install needed programs
 
 ### Configuration
 
-- Edit the `~/.config/vdirsyncer/config`.
-  - Insert the following lines:
-
-```txt
-[general]
-status_path = "~/.cache/vdirsyncer/status"
-
-[pair private_contacts]
-a = "private_contacts_local"
-b = "private_contacts_remote"
-collections = ["from a", "from b"]
-
-[storage private_contacts_local]
-type = "filesystem"
-path = "~/.local/share/pim/contacts"
-fileext = ".vcf"
-
-[storage private_contacts_remote]
-type = "carddav"
-url = "https://<url>"
-username = "<username>"
-password = "<password>"
-auth = "basic"
-```
-
-- `vdirsyncer discover && vdirsyncer metasync` - Initialize vdirsyncer
-- `vdirsyncer sync` - Synchronize the addressbook (put this into a crontab to
-update periodically)
 - Add and configure a config for khard
   - `mkdir ~/.config/khard` - add a directory for the config
   - `cp /usr/share/doc/khard/khard.conf.example ~/.config/khard/khard.conf` -