doc: readme update including monotonic increasing stack

Merge pull request #3 from irbbb/monotonic_increasing_stack

feature: add monotonic increasing stack to pydatastructs module

refactor: use memcpy instead memcpy_s, is as secure but is checked before. Unable to add memcpy_s when compiling

fix: make linked list argument const in peek and add definition for linked list file

refactor: remove unused import assert

feature: add monotonic stack linked list implementation

feature: define monotonic_increasing_stack.c to be able to switch between dynamic array and linked list implementations

feature: created binding for monotonic increasing stack

refactor: use unsigned integer to return stack size

feature: define tests for monotonic increasing stack

refactor: change stack struct name

refactor: use unsigned integer for array size

feature: added interface for monotonic increasing stack

feature: monotonic increasing stack dynamic array implementation