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Description
Added a dynamic, array-backed circular Queue data structure
Changes:
Implemented a templated Queue with enqueue, dequeue, front, size, empty, and display.
Dynamic resizing on capacity exhaustion to support arbitrary growth.
Circular buffer indexing to keep operations O (1) amortized.
Underflow checks with clear exceptions.
Files added/updated:
CPP/Data Structures/queueClass.cpp
CPP/Data Structures/queue.cpp
CPP/Data Structures/Stack Using Arrays/stackClass.cpp