Created a gausssian_fuzzy_set.c ,which will aid in future Fuzzy Inference System

[Shreya123714]

Description of Change

Created a gausssian_fuzzy_set.c ,which will aid in future Fuzzy Inference System, this is a part of it, like triangular fuzzy set

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• Added description of change
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• Added tests and example, test must pass
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Notes:
We can do fuzzy operations in fuzzy set whose membership function resembles gaussian nature, in future i will add a fuzzy inference system algorithm used in modern control system

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