adding permission error to README

README.md

@@ -18,6 +18,7 @@ pip install alogamous
 
 ## Development
 
+### Setup
 1. Open a terminal
 
 1. Install [hatch](https://hatch.pypa.io/latest/)
@@ -31,6 +32,7 @@ pip install alogamous
 
     Hatch modifies your system PATH variable, and this won't take effect unless you restart the terminal.
 
+
 1. Make sure hatch works
 
     ```bash
@@ -68,6 +70,17 @@ pip install alogamous
 
     ???
 
+### Possible Errors
+
+**Permission Error**
+
+   - Message: *PermissionError: [Errno 13] Permission denied: '/usr/local/hatch/bin/hatch'*
+
+   - Fix by running:
+      ```bash
+      sudo chmod a+r /usr/local/hatch/bin/hatch
+      ```
+
 ## License
 
 `alogamous` is distributed under the terms of the [MIT](https://spdx.org/licenses/MIT.html) license.