docs: update README and add quality assurance section

README.md

@@ -16,7 +16,7 @@
 This repository hosts Smart Contracts that are deployed on the [OKP4 network](http://okp4.network). But they are compatible with any
 [Cosmos blockchains](https://cosmos.network/) that uses the [CosmWasm](https://cosmwasm.com/) framework.
 
-## 🗄️ Storage oriented Smart Contracts
+### 🗄️ Storage oriented Smart Contracts
 
 <table>
   <tr>
@@ -50,7 +50,7 @@ This repository hosts Smart Contracts that are deployed on the [OKP4 network](ht
   </tr>
 </table>
 
-## ⚖️ Sovereignty oriented Smart Contracts
+### ⚖️ Sovereignty oriented Smart Contracts
 
 <table>
   <tr>
@@ -174,7 +174,9 @@ The list of available tasks for managing the chain is as follows:
 - `chain-start` - Run the full node okp4d application using the chain's home directory under a Docker container.
 - `chain-stop` - Stop the chain's container.
 
-## 🚀 Initialize the chain
+## 💻 Develop
+
+### 🚀 Initialize the chain
 
 To initialize the chain, just run:
 
@@ -251,8 +253,6 @@ cargo make chain-clean
 ⚠️ Please be cautious when running this command as it will completely clean the chain's home directory and the action is
 irreversible.
 
-## 💻 Develop
-
 ### 🏗 Smart Contracts scaffolding
 
 When developing a new Smart Contract, you can use the scaffolding to generate the Smart Contract's code.
@@ -312,6 +312,14 @@ documentation and commit the changes:
 git commit -am "docs: update generated documentation"
 ```
 
+## 🍀 Quality assurance approach
+
+⛓ - The enforcement of stringent rules, monitored by a linter (Clippy) within the Github CI environment.
+
+🤖 - A high level of code coverage through systematic unit testing.
+
+💫 - Future considerations for additional testing approaches, such as fuzzy testing or end-to-end testing, to further enhance quality.
+
 ## 📘 Resources
 
 - [CosmWasm Docs](https://docs.cosmwasm.com/)