Add "283. Move Zeroes" to "Two pointers"

[smith558]

https://leetcode.com/problems/move-zeroes/ is missing in the "Two pointers" pattern category. An interesting variation on the problem/

[seanprashad]

Added!

[smith558]

@seanprashad https://leetcode.com/problems/is-subsequence/ missing from "Two Pointers" too

[seanprashad]

@seanprashad https://leetcode.com/problems/is-subsequence/ missing from "Two Pointers" too

Added!