updated readme

Author: TamimEhsan

README.md

@@ -20,7 +20,7 @@ So far there are 6 segments
 - Recursion Tree
 - Turing Machine
 
-I have implemented a total of `22 algorithms` so far. And will try to add more later.  
+I have implemented a total of `23 algorithms` so far. And will try to add more later.  
 
 ## Algorithms implemented 
 
@@ -61,6 +61,13 @@ I am not sure if anyone would like to contribute to this project or not. But any
 - Commit 16: Added Flip Move animation to inplace sorting components
 - Commit 20: Added Tree Structure
 
+### Acknowledgement
+
+I took inspirations from the following sources for some of the segments.
+- `Pathfinder`: [The Projects That Got Me Into Google](https://youtu.be/n4t_-NjY_Sg)
+- `Archimedes Spiral for Primes`: [Why do prime numbers make these spirals? ](https://youtu.be/EK32jo7i5LQ)
+- `Recursion tree visualizer`: [Recursion Tree Visualizer](https://github.com/brpapa/recursion-tree-visualizer)
+- `Turing Machine`: [Tursi](https://github.com/schaetzc/tursi)
 
 ### Note to self: