Fix allocation error

src/main.zig

@@ -109,7 +109,7 @@ pub fn main() !void {
                     });
                     if (std.mem.eql(u8, entry.name[(entry.name.len - 4)..(entry.name.len)], ".org")) {
                         std.debug.print("Added\n", .{});
-                        try file_paths.append(entry_path[0..(entry_path.len - 1)]);
+                        try file_paths.append(entry_path[0..(entry_path.len)]);
                     } else {
                         allocator.free(entry_path);
                     }