add prequisites for ubuntu dev env (#30713)

docs/docsite/rst/dev_guide/developing_modules_general.rst

@@ -23,7 +23,17 @@ What's covered in this section:
 
 Environment setup
 =================
+Prerequisites Via Apt (Ubuntu)
+``````````````````````````````
+Due to dependencies (for example ansible -> paramiko -> pynacl -> libffi):
 
+.. code:: bash
+
+    sudo apt update
+    sudo apt install build-essential libssl-dev libffi-dev python-dev
+
+Common Environment setup
+````````````````````````
 1. Clone the Ansible repository:
    ``$ git clone https://github.com/ansible/ansible.git``
 2. Change directory into the repository root dir: ``$ cd ansible``