[Feature]: Repeats Method

[sepandhaghighi]

Describe the feature you want to add

Add repeats method to Primer class

Describe your proposed solution

>>> from opr import Primer
>>> p1 = Primer("ATCG")
>>> p1.repeats(sequence="A", consecutive=False)
1
>>> p1.repeats(sequence="AT", consecutive=False)
1
>>> p1.repeats(sequence="AC", consecutive=False)
0
>>> p1.repeats(sequence="A", consecutive=True)
0
>>> p1.repeats(sequence="AT", consecutive=False)
0
>>> p2 = Primer("AAAATCGTGT")
>>> p2.repeats(sequence="AA", consecutive=True)
2
>>> p2.repeats(sequence="GT", consecutive=True)
2
>>> p3 = Primer("ATCGATCGATCG")
>>> p3.repeats(sequence="ATCG", consecutive=True)
3

Describe alternatives you've considered, if relevant

No response

Additional context

Defaults:

1. consecutive: False