Added prerequisites to running the project locally

Author: Andrei-Constantin-Programmer

README.md

@@ -3,7 +3,7 @@
 
 This repository contains the official blog for our MSc group project at University College London (UCL), delivered in collaboration with IBM.
 
-The project explores how Large Language Models (LLMs) can assist in refactoring legacy software systems to reduce technical debt.
+The project explores how Large Language Models (LLMs) can assist in refactoring legacy software systems to imprve maintainability, reduce technical debt, and accelerate modernisation efforts.
 
 ## Built With
 
@@ -12,6 +12,30 @@ The project explores how Large Language Models (LLMs) can assist in refactoring
 
 ## Local Development
 
+### Prerequisites
+[`Hugo Extended v0.147.x+`](https://gohugo.io/installation/)  
+Use the extended version, as it’s required by the PaperMod theme.
+
+You can verify Hugo is installed with:
+
+```bash
+hugo version
+```
+
+#### Install Hugo Extended
+macOS / Linux (via [Homebrew](https://brew.sh/)):
+```bash
+brew install hugo
+```
+
+Windows (via [Chocolatey](https://chocolatey.org/)):
+
+```bash
+choco install hugo-extended -confirm
+```
+
+### Running the Blog
+
 ```bash
 git clone https://github.com/Andrei-Constantin-Programmer/ibm-ucl-blog.git
 cd ibm-ucl-blog