DApp World Milestone Delivery - 2 (#152)

* Create dappworld_learning_ecosystem-milestone-1.md

* Create dappworld_learning_ecosystem-milestone-2.md

* Delete dappworld_learning_ecosystem-milestone-1.md

milestone-delivery/deliveries/dappworld_learning_ecosystem-milestone-2.md

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+# Milestone Delivery :mailbox:
+
+**The Ethereum address has been filled out correctly for this milestone and the delivery is according to the official [milestone delivery guidelines](../).**  
+
+* **PR Link:** [DApp World Application](https://github.com/vechain/grant-program/pull/120). 
+* **Milestone Number:** 2
+
+| Number | Deliverable | Link | Notes |
+| ------------- | ------------- | ------------- |------------- |
+| 1. | Introduction to VeChain | https://dapp-world.com/course/vechain-dapp-development-UpGw  | ✓ The Course is Successfully completed along with project directory uploaded on DApp World github. Multiple tutorials are also uploaded in [Smartbooks](https://dapp-world.com/smartbook/interact-with-smart-contract-on-vechain-from-javascript-Q3oD) | 
+| 2. | VeChain Tokenomics | https://dapp-world.com/course/vechain-tokenomics-NeJq | ✓ The Course is Successfully completed along with project directory uploaded on DApp World github |