Update README.md

Author: amanda-tan

README.md

@@ -23,7 +23,7 @@ You **MUST** pre-install and obtain access to the following before the start of
 
 ## Agenda (subject to change)
 
-### Introduction (20 mins)
+### Introduction (15 mins)
 - What is a coding companion?
 - Why use a coding companion for research software development?
 - What are the different coding companions?
@@ -38,7 +38,7 @@ You **MUST** pre-install and obtain access to the following before the start of
 - Working with Jupyter Notebooks
 - Using GitHub Copilot to analyze and visualize datasets
 
-### Break - 15 mins
+### Break - 20 mins
 
 ### Hand-on Lab - Part 2 (60 mins)
 - Using GitHub Copilot to develop code
@@ -79,4 +79,4 @@ You **MUST** pre-install and obtain access to the following before the start of
 
     You should see a directory structure that looks like the one in the screenshot below. (There may be slight differences between the files shown in the screenshot and the one you see in your Visual Studio Code since the GitHub repo is continually updated).
 
-    <img src="./assets/vscode-repo.png" alt="vscode-repo.png" width="500">
+    <img src="./assets/vscode-repo.png" alt="vscode-repo.png" width="500">