Floor and ceil in Binary search tree added (#10432)

* earliest deadline first scheduling algo added

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* earliest deadline first scheduling algo added

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* ceil and floor and bst

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* ceil and floor and bst 2

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* ceil and floor and bst 3

* Update and rename floor_ceil_in_bst.py to floor_and_ceiling.py

* Delete scheduling/shortest_deadline_first.py

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Co-authored-by: ArunSiva <Arunsiva003@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>