Adds ByteByteGo guides and links (#106)

This PR adds all the guides from [Visual
Guides](https://bytebytego.com/guides/) section on bytebytego to the
repository with proper links.

- [x] Markdown files for guides and categories are placed inside
`data/guides` and `data/categories`
- [x] Guide links in readme are auto-generated using
`scripts/readme.ts`. Everytime you run the script `npm run
update-readme`, it reads the categories and guides from the above
mentioned folders, generate production links for guides and categories
and populate the table of content in the readme. This ensures that any
future guides and categories will automatically get added to the readme.
- [x] Sorting inside the readme matches the actual category and guides
sorting on production

data/guides/why-is-nginx-so-popular.md

@@ -0,0 +1,27 @@
+---
+title: "Why is Nginx so Popular?"
+description: "Explore the reasons behind Nginx's widespread popularity and usage."
+image: "https://assets.bytebytego.com/diagrams/0423-why-is-nginx-so-popular.png"
+createdAt: "2024-03-13"
+draft: false
+categories:
+  - devops-cicd
+tags:
+  - "Nginx"
+  - "Web Servers"
+---
+
+![](https://assets.bytebytego.com/diagrams/0423-why-is-nginx-so-popular.png)
+
+Nginx is a high-performance web server and reverse proxy.
+
+It follows a master-worker process model that contributes to its stability, scalability, and efficient resource utilization.
+
+The master process is responsible for reading the configuration and managing worker processes. Worker processes handle incoming connections using an event-driven non-blocking I/O model.
+
+Due to its architecture, Nginx excels in supporting multiple features such as:
+
+*   **High-Performance Web Server**
+*   **Reverse Proxy and Load Balancing**
+*   **Content Cache**
+*   **SSL Termination**