ENH move ssh key gen to script

dot_bin/executable_ssh-def-keygen

@@ -0,0 +1,15 @@
+#! /bin/bash
+
+# generate nicely formatted ssh key pair
+
+if [ -z "$1" ]; then
+    echo "provide a name/path for the key pair"
+    exit 1
+fi
+
+ssh-keygen -C "$(whoami)@$(uname -n)-$(date -I)" \
+    -t ed25519 \
+    -N '' \
+    -f "$1"
+
+

dot_config/zsh/dot_zshrc.tmpl

@@ -335,19 +335,6 @@ alias_if chezmoi \
     cza="chezmoi add" \
     czc="chezmoi cd"
 
-## --------------------------------------------------
-## User functions
-## --------------------------------------------------
-
-if exists ssh-keygen; then
-    function skg () {
-         ssh-keygen -C "$(whoami)@$(uname -n)-$(date -I)" \
-             -t ed25519 \
-             -N '' \
-             -f "$1"
-    }
-fi
-
 ## --------------------------------------------------
 ## Manly Colors
 ## --------------------------------------------------