There is no any section of Trie data structure

[ritweekraj2802]

Is your feature request related to a problem? Please describe.
There is no any section of trie data structure . I am very excited to add this section here . Please assign this issues to me.
I will add below problems
Insertion and search in Trie,
Deletion in Trie,
Using trie to find most frequent word of in an array of string.

Thanks you

[ritweekraj2802]

@siriak Please accept my PR .I have participated in Hacktoberfest2021.
Thank You

[github-actions]

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[github-actions]

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