Don't fix version in devcontainer.json

.devcontainer/devcontainer.json

@@ -3,7 +3,7 @@
 {
 	"name": "Jekyll",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/jekyll:2-bullseye",
+	"image": "mcr.microsoft.com/devcontainers/jekyll",
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	"features": {

README.md

@@ -22,15 +22,15 @@
 
 New testimonials are very welcome!
 
 Simply add a new markdown file to the `_testimonials` folder. Take a look at the existing testimonials for the correct formatting and YAML frontmatter.
 
 ## Code snippet/examples
 
 The code examples in the "code snippet carousel" are kept as individual markdown files in the `_snippets` folder. Please check the structure of existing snippets if you'd like to add a new one.
 
 The "code content" is in the YAML frontmatter and requires the "literal scalar block style", i.e. start with a `|` character, and indent the code block by four spaces.
 
 Note also the use of an excerpt separator `<!--more-->`. This is to ensure that only the content above that separator will appear on mobile (due to space constraints).
 
 Example:
 
@@ -55,34 +55,35 @@
 
 ## Developing locally
 
 The easiest way to get started developing this repository on your own machine is by using the supplied dev container.
 
 ### Using the Dev Container
 
-1. Open the repository in Visual Studio Code.
-2. When prompted, reopen the repository in the dev container.
-3. The dev container will automatically set up the development environment.
+1. Install and run [Docker](https://www.docker.com/).
+2. Open the repository in [Visual Studio Code](https://code.visualstudio.com/).
+3. When prompted, reopen the repository in the dev container.
+4. The dev container will automatically set up the development environment.
 
 **Summary of using a dev container:**
 A dev container is a pre-configured development environment that includes all the necessary tools and dependencies. It allows you to start developing without having to manually set up your environment.
 
 If not using VSCode, consult your preferred IDE's documentation for instructions.
 
 You may need to run the following once to install TailwindCSS dependency:
 
 ```
 npm i
 ```
 
 To start the development server, run the following command:
 
 ```sh
 bundle exec jekyll serve
 ```
 
 Or, to enable live reloading:
 
 ```sh
 bundle exec jekyll serve -l
 ```