Add go mod init to quick-start

Updated documentation to make it clear that a `go.mod` file is required to run `golangci-lint`

Author: zealws

docs/src/docs/usage/quick-start.mdx

@@ -2,6 +2,11 @@
 title: Quick Start
 ---
 
+First, ensure you have a go module created for your project:
+```sh
+go mod init
+```
+
 To run golangci-lint execute:
 
 ```sh