Update Neovim and Emacs configurations

lazyvim/.config/nvim/lua/scripts/meld_diff_fzf.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+file1=$(fzf --prompt="Select first file: " < <(find . -type f))
+[ -z "$file1" ] && echo "Aborted." && exit 1
+
+file2=$(fzf --prompt="Select second file: " < <(find . -type f))
+[ -z "$file2" ] && echo "Aborted." && exit 1
+
+echo "🔍 Comparing:"
+echo "  1: $file1"
+echo "  2: $file2"
+
+meld "$file1" "$file2" &