Fix sh spacing (#2192)

docs/registry/create/_index.md

@@ -673,19 +673,19 @@ Make sure to set up a Python virtual environment in the directory your module is
 2. Add a shell script that creates a new virtual environment, installs the dependencies listed in `requirements.txt`, and runs the module entry point file `main.py`:
 
    ```sh { class="command-line" data-prompt="$"}
-    #!/bin/sh
-    cd `dirname $0`
+   #!/bin/sh
+   cd `dirname $0`
 
-    # Create a virtual environment to run our code
-    VENV_NAME="venv"
-    PYTHON="$VENV_NAME/bin/python"
+   # Create a virtual environment to run our code
+   VENV_NAME="venv"
+   PYTHON="$VENV_NAME/bin/python"
 
-    python3 -m venv $VENV_NAME
-    $PYTHON -m pip install -r requirements.txt -U # remove -U if viam-sdk should not be upgraded whenever possible
+   python3 -m venv $VENV_NAME
+   $PYTHON -m pip install -r requirements.txt -U # remove -U if viam-sdk should not be upgraded whenever possible
 
-    # Be sure to use `exec` so that termination signals reach the python process,
-    # or handle forwarding termination signals manually
-    exec $PYTHON <your-src-dir-if-inside>/main.py $@
+   # Be sure to use `exec` so that termination signals reach the python process,
+   # or handle forwarding termination signals manually
+   exec $PYTHON <your-src-dir-if-inside>/main.py $@
    ```
 
    To make your shell script executable, run the following command in your terminal: