Update README.md

README.md

@@ -1,4 +1,4 @@
-# Project Based Learning
+# Project Based Learning :
 
 [![Gitter](https://badges.gitter.im/practical-tutorials/community.svg)](https://gitter.im/practical-tutorials/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
@@ -105,7 +105,7 @@ To get started, simply fork this repo. Please refer to [CONTRIBUTING.md](CONTRIB
  - [Part 7: Arrays](https://briancallahan.net/blog/20210822.html)
  - [Part 8: Strings, forward references, and conclusion](https://briancallahan.net/blog/20210826.html)
 
-### Network programming
+### Network programming :
 
 - Let's Code a TCP/IP Stack
 
@@ -115,7 +115,7 @@ To get started, simply fork this repo. Please refer to [CONTRIBUTING.md](CONTRIB
  - [Part 4: TCP Data Flow & Socket API](http://www.saminiir.com/lets-code-tcp-ip-stack-4-tcp-data-flow-socket-api/)
  - [Part 5: TCP Retransmission](http://www.saminiir.com/lets-code-tcp-ip-stack-5-tcp-retransmission/)
 
-- Programming concurrent servers
+- Programming concurrent servers :
 
  - [Part 1 - Introduction](https://eli.thegreenplace.net/2017/concurrent-servers-part-1-introduction/)
  - [Part 2 - Threads](https://eli.thegreenplace.net/2017/concurrent-servers-part-2-threads/)
@@ -124,7 +124,7 @@ To get started, simply fork this repo. Please refer to [CONTRIBUTING.md](CONTRIB
  - [Part 5 - Redis case study](https://eli.thegreenplace.net/2017/concurrent-servers-part-5-redis-case-study/)
  - [Part 6 - Callbacks, Promises and async/await](https://eli.thegreenplace.net/2018/concurrent-servers-part-6-callbacks-promises-and-asyncawait/)
 
-- MQTT Broker from scratch
+- MQTT Broker from scratch :
  - [Part 1 - The protocol](https://codepr.github.io/posts/sol-mqtt-broker)
  - [Part 2 - Networking](https://codepr.github.io/posts/sol-mqtt-broker-p2)
  - [Part 3 - Server](https://codepr.github.io/posts/sol-mqtt-broker-p3)
@@ -192,7 +192,7 @@ To get started, simply fork this repo. Please refer to [CONTRIBUTING.md](CONTRIB
 - [Building a Simple Chat App With Elixir and Phoenix](https://sheharyar.me/blog/simple-chat-phoenix-elixir/)
 - [How to write a super fast link shortener with Elixir, Phoenix, and Mnesia](https://medium.com/free-code-camp/how-to-write-a-super-fast-link-shortener-with-elixir-phoenix-and-mnesia-70ffa1564b3c)
 
-## Erlang
+## Erlang :
 
 - [ChatBus : build your first multi-user chat room app with Erlang/OTP](https://medium.com/@kansi/chatbus-build-your-first-multi-user-chat-room-app-with-erlang-otp-b55f72064901)
 - [Making a Chat App with Erlang, Rebar, Cowboy and Bullet](http://marianoguerra.org/posts/making-a-chat-app-with-erlang-rebar-cowboy-and-bullet.html)
@@ -294,7 +294,7 @@ To get started, simply fork this repo. Please refer to [CONTRIBUTING.md](CONTRIB
  - [Part 1](https://www.ashwinhariharan.tech/blog/how-to-build-your-own-uber-for-x-app/)
  - [Part 2](https://www.ashwinhariharan.tech/blog/how-to-build-your-own-uber-for-x-app-part-2/)
 
-#### Vue
+#### Vue :
 
 - [Vue 2 + Firebase: How to build a Vue app with Firebase authentication system in 15 minutes](https://medium.com/@anas.mammeri/vue-2-firebase-how-to-build-a-vue-app-with-firebase-authentication-system-in-15-minutes-fdce6f289c3c)
 - [Vue.js Application Tutorial – Creating a Simple Budgeting App with Vue](https://matthiashager.com/complete-vuejs-application-tutorial/)
@@ -315,7 +315,7 @@ To get started, simply fork this repo. Please refer to [CONTRIBUTING.md](CONTRIB
 - Build a Powerful API with NodeJs,GraphQL and Hapi
  - [Part I](https://medium.com/@wesharehoodies/how-to-setup-a-powerful-api-with-nodejs-graphql-mongodb-hapi-and-swagger-e251ac189649)
 
-#### D3.js
+#### D3.js :
 
 - [Learn D3 using examples](https://www.sitepoint.com/d3-js-data-visualizations/)
 - [Learn To Make A Line Chart](https://medium.freecodecamp.org/learn-to-create-a-line-chart-using-d3-js-4f43f1ee716b)