Feat(Improved): Add 0/1 Knapsack Problem: Recursive and Tabulation (Bottom-Up DP) Implementations in Java along with their corresponding Tests (#6425)

* feat: Add 0/1 Knapsack and its tabulation implementation with their corresponding tests

* feat: Add 0/1 Knapsack and its tabulation implementation with their corresponding tests

* feat: Add 0/1 Knapsack and its tabulation implementation with their corresponding tests

* Feat:add 0/1knapsack and 0/1knapsacktabulation along with their tests

* Feat:add 0/1knapsack and 0/1knapsacktabulation along with their tests

* Feat:add 0/1knapsack and 0/1knapsacktabulation along with their tests

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Co-authored-by: Oleksandr Klymenko <alexanderklmn@gmail.com>