Convert Tawk module to React component

[moshfeu]

Currently we are initiating Tawk in the global scope.

find-a-mentor/src/utils/tawk.ts

Lines 19 to 31 in 6753dee

	(function() {
	const s1 = document.createElement('script');
	s1.async = true;
	s1.src = 'https://embed.tawk.to/60a117b2185beb22b30dae86/1f5qk953t';
	s1.setAttribute('crossorigin', '*');
	document.head.prepend(s1);
	})();
	window.Tawk_API = window.Tawk_API || {};
	window.Tawk_API.onLoad = function() {
	window.Tawk_API.addTags(['Mentor', 'User']);
	};
	}

We should convert it to the React component. Docs

We can get rid of the static tags for now, we will implement it in the right way later.