less: Move $LESS from .zprofile to lesskey

.config/lesskey

@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2025 Julian Prein
+
+#env
+# NOTE: Lines need a trailing space when concatenating
+
+# Enable mouse wheel support
+LESS = --mouse --wheel-lines=3 
+# Display ANSI color escape sequences
+LESS += --RAW-CONTROL-CHARS 
+# Exit if entire file fits on screen
+# NOTE: Before v530 `less` would need the -X flag as well for -F to be useful.
+#       With v530 it does not enter alternate mode if the content fits in one
+#       screen.
+LESS += --quit-if-one-screen 
+# Ignore case if the search pattern is only lowercase
+LESS += --ignore-case