feat(config): fish configs

config/fish/functions/__macos_mac_serialnumber.fish

@@ -0,0 +1,22 @@
+# @halostatue/fish-macos/functions/__macos_mac_serialnumber.fish:v7.0.0
+
+function __macos_mac_serialnumber
+    argparse --name 'mac serialnumber' h/help c/copy -- $argv
+    or return 1
+
+    if set --query _flag_help
+        echo 'Usage: mac serialnumber [options]
+
+Gets the serial number for the current macOS device.
+
+Options:
+  -c, --copy               Copy to the clipboard
+  -h, --help               Show this help'
+        return 0
+    end
+
+    set --function serial (ioreg -l | string replace --filter --regex --all '^.*"IOPlatformSerialNumber"\s+=\s+"([^"]+)"' '$1')
+
+    set --query _flag_copy && echo $serial | pbcopy
+    echo $serial
+end