Generate rollkit.toml as a separate step

Author: yarikbratashchuk

tutorials/gm-world.md

@@ -56,6 +56,31 @@ To make it simple we will download a repository with a `gm-world` rollup that ha
 ```bash
 cd $HOME && bash -c "$(curl -sSL https://rollkit.dev/install-gm-rollup.sh)"
 ```
+## 🧰 Configuring Your Rollup {#configuring-your-rollup}
+
+Generate rollkit.toml file by running:
+
+```bash
+rollkit toml init
+```
+
+The output should be similar to this:
+```
+Found rollup entrypoint: /root/gm/cmd/gmd/main.go, adding to rollkit.toml
+Could not find rollup config under gm. Please put the chain.config_dir in the rollkit.toml file manually.
+Initialized rollkit.toml file in the current directory.
+```
+
+From the output, you can see that the rollup entrypoint is `~/gm/cmd/gmd/main.go`.
+
+Open the rollkit.toml file and under the `[chain]` section set `config_dir` to the `./.gm` directory. Your rollkit.toml file should look like this:
+
+```bash
+entrypoint = "./cmd/gmd/main.go"
+
+[chain]
+  config_dir = "./.gm"
+```
 
 ## 🚀 Starting your rollup {#start-your-rollup}