Minor fixes (#401)

Author: yarikbratashchuk

public/install.sh

@@ -9,7 +9,7 @@ if ! which go > /dev/null; then
 fi
 
 cd rollkit || { echo "Failed to find the downloaded repository."; exit 1; }
-git checkout $1
+git fetch && git checkout $1
 echo "Building and installing Rollkit..."
 make install
 cd ..

tutorials/celestia-da.md

@@ -39,13 +39,13 @@ ignite scaffold chain gm --address-prefix gm --no-module
 Install the Rollkit app to ignite:
 
 ```bash-vue
+cd $HOME/gm
 ignite app install github.com/ignite/apps/rollkit@rollkit/{{constants.rollkitIgniteAppVersion}}
 ```
 
 Next, move to the `gm` directory and add the Rollkit app:
 
 ```bash
-cd $HOME/gm
 ignite rollkit add
 ```
 

tutorials/gm-world.md

@@ -62,7 +62,7 @@ cd $HOME && bash -c "$(curl -sSL https://rollkit.dev/install-gm-rollup.sh)"
 Generate rollkit.toml file by running:
 
 ```bash
-rollkit toml init
+cd $HOME/gm && rollkit toml init
 ```
 
 The output should be similar to this: