Some missing data structures for mojo

Tested on the Mojo nightly build mojo 2024.10.905 (3391b2db)

Deque (double-ended queue)

Instructions

To use the package, just copy the datastructs.📦 from the package directory to your packages location or copy the datastructs directory and use it as a module. Then in your source code import what you need:

from datastructs import Deque

To make a package from source:

mojo package datastructs -o package/datastructs.📦

To run all the tests:

mojo test -I . test