Add command to generate a TLS cert via Go

src/golang.md

@@ -53,3 +53,9 @@ go work init ./hello
 # Add a child module directory to the workspace.
 go work use ./example
 ```
+
+## Utilities
+```powershell
+# Generate a TLS/SSL cert. Get GOPATH from `go env`.
+go run 'C:\Program Files\Go\src\crypto\tls\generate_cert.go' --rsa-bits=2048 --host=localhost
+```