Add algorithms categories

Author: andrei-punko

README.md

@@ -58,5 +58,5 @@ Placed [here](https://github.com/andrei-punko/youtube-channel-resources/blob/mas
 
 ## Appendix. Verbal interview materials
 
-Check [this repo](https://github.com/andrei-punko/java-interview-faq-n-answers) to get materials for preparation to Java
+Check [java-interview-faq-n-answers repo](https://github.com/andrei-punko/java-interview-faq-n-answers) to get materials for preparation to Java
 verbal interview

interview-materials/algorithm-categories.md

@@ -0,0 +1,17 @@
+# Категории алгоритмов
+
+1. Complexity
+2. Arrays
+3. Strings
+4. Binary search
+5. Bits manipulation
+6. Two pointers
+7. Linked lists
+8. Stacks and queues
+9. Hashing
+10. Recursion
+11. Heaps and maps
+12. Trees
+13. Greedy algorithms
+14. Dynamic programming
+15. Graphs