fix: correct spelling error in README.md

Author: Adityasinghvats

README.md

@@ -1,5 +1,5 @@
 # Hi, Visitor 
 
-- I am Aditya Kumar and I have build this npm package as a protfolio to showcase my `Node.js` skills.
+- I am Aditya Kumar and I have build this npm package as a portfolio to showcase my `Node.js` skills.
 - You need to have `Node.js` installed on your system to execute it.
 - In you terminal type `npx adix` and voila , you can meet me virtually and take a look at my work.# portfolio-100x