Dear leetcode community,\nI would like to save **in favorite** the recent interesting post about Binary search problems \nhttps://leetcode.com/discuss/general-discussion/691825/Binary-Search-for-Beginners-Problems-or-Patterns-or-Sample-solutions . However, I was not able to figure out how to do it on your website. It would be good if you could implement this functuonality, so everyone could add interesting posts in their favorites. Thank you in advance.

Dear leetcode community,\nI would like to save in favorite the recent interesting post about Binary search problems \nhttps://leetcode.com/discuss/general-discu