Update README.md

README.md

@@ -4,3 +4,27 @@ CatisLand NetWork is a non-profit organization registered in the capital city of
 
 It is deployed by Hugo and GitHub Pages on about.otokonoko.top
 
+## Local Development
+
+Pre-requisites: [Hugo](https://gohugo.io/getting-started/installing/), [Go](https://golang.org/doc/install) and [Git](https://git-scm.com)
+
+```shell
+# Clone the repo
+git clone https://github.com/imfing/hextra-starter-template.git
+
+# Change directory
+cd hextra-starter-template
+
+# Start the server
+hugo mod tidy
+hugo server --logLevel debug --disableFastRender -p 1313
+```
+
+### Update theme
+
+```shell
+hugo mod get -u
+hugo mod tidy
+```
+
+See [Update modules](https://gohugo.io/hugo-modules/use-modules/#update-modules) for more details.