[FEATURE] Unbounded Knapsack in Dynamic Programming Section

[yeolesanskruti]

Detailed description

I want to add the algorithm of "Unbounded Knapsack" in dp section.

Context

This covers the infinite supply of objects which is important and different from Knapsack problem.

Possible implementation

No response

Additional information

I am Contributor of Hactoberfest 2024. Please assign me.

[realstealthninja]

just create a pr and link it to this pull request