Update main readme

Author: rjLelis

README.md

@@ -5,24 +5,47 @@ So I decided to finally seat down and learn python the right way
 This is my playground to all my python code
 
 ### Guess game
+
 The [guess game](/guess-game) it's a simple control flow example. You try to guess a `number` between 0 and 10.
 
 ### Palindrome
+
 The [palindrome](/palindrome) test takes a `string` and checks if it's equals to the reverse of itself, ignoring cases and special characters.
 
 ### Grocery shopping
+
 The [grocery shopping](/grocery-shopping) it's a example on how to read and write python objects on files using pickle.
 
-### Password storage [WIP]
-The [password storage](/password-storage) encrypts a password using the caesar cipher(for now) and stores in a file.
+### File operations
+
+The [file operations](/file-operations) encrypts a text using the caesar cipher(for now) and stores in a file.
+
+### Object serializer
+
+The [object serializer](/object-serializer) takes an object as a argument and serializes into `json`.
 
 ## Learning source
+
 * [A byte of python(PDF)](https://edisciplinas.usp.br/pluginfile.php/3252353/mod_resource/content/1/b_Swaroop_Byte_of_python.pdf)
 
 * [Python books](https://pythonbooks.revolunet.com/)
 
 * [Django girls](https://tutorial.djangogirls.org/)
 
-## Some of mine already existing python projects
+* [Corey Schafer](https://www.youtube.com/channel/UCCezIgC97PvUuR4_gbFUs5g)
+
+## Some of my already existing python projects
+
 * [Pong](https://github.com/rjLelis/Pong)
-* [Number convertion](https://github.com/rjLelis/number-conversion)
+
+* [Number convertion](https://github.com/rjLelis/number-conversion)
+
+* [Code Nation Challenge](https://github.com/rjLelis/code-nation-challenge)
+
+## Some of my Django projects
+
+* [blog_django](https://github.com/rjLelis/blog_django)
+
+* [todo-app](https://github.com/rjLelis/todo-app)
+
+* [contatos-crud](https://github.com/rjLelis/contatos-crud)