Add new espanso configuration

Signed-off-by: Severin Kaderli <severin@kaderli.dev>

system/.config/espanso/config/default.yml

@@ -0,0 +1,2 @@
+keyboard_layout:
+  layout: "ch"

system/.config/espanso/match/base.yml

@@ -1,10 +1,6 @@
-keyboard-layout:
-  layout: "ch"
-evdev_modifier_delay: 20
 matches:
   - trigger: ":mail"
-    replace: "severin@kaderli.dev"
+    replace: severin@kaderli.dev
-
   - trigger: ":date"
     replace: "{{date}}"
     vars:
@@ -12,7 +8,6 @@ matches:
         type: date
         params:
           format: "%F"
-
   - trigger: ":iso"
     replace: "{{date}}"
     vars:
@@ -20,11 +15,9 @@ matches:
         type: date
         params:
           format: "%+"
-
   - trigger: ":sig"
     replace: |
       Freundliche Grüsse
 
       Severin Kaderli
       https://kaderli.dev
-...