Fixing #270763 - Move clang-tidy integration to nb contrib
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Fixing #270763 - Move clang-tidy integration to nb contrib - move wrapper
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Fixing #270763 - Move clang-tidy integration to nb contrib - sign nbm
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Fixing #270763 - Move clang-tidy integration to nb contrib - move tests
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Fixing #270763 - Move clang-tidy integration to nb contrib - data for a new test
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Fixed #270839 - [clang-tidy] Group checks in Editor hints
(transplanted from 35b6125ef00c470655dac6673075f5c12ec74593)

#include <vector>

using namespace std;

int loops() {

    const int N = 5;

    int arr[] = {1, 2, 3, 4, 5};

    vector<int> v;

    v.push_back(1);

    v.push_back(2);

    v.push_back(3);

    // safe conversion

    for (auto & elem : arr)

        cout << elem;

    // reasonable conversion

    for (auto & elem : v)

        cout << elem;

    // reasonable conversion

    for (auto & elem : v)

        cout << elem;

}