docs: Document requests dependency for simulator

For mocking network requests, we need the `requests` python package.

docs/badge/firmware-development.rst

@@ -53,8 +53,8 @@ For running the simulator, you'll need Python 3 with pygame and wasmer:
 ::
 
 	$ python3 -m venv venv
-	$ . venv/bin/activate
-	$ pip install pygame wasmer wasmer-compiler-cranelift
+	$ venv/bin/pip install pygame requests
+        $ venv/bin/pip install wasmer wasmer-compiler-cranelift
 
 .. warning::
 

docs/badge/programming.rst

@@ -644,7 +644,8 @@ environment with the required packages:
     $ git clone https://git.flow3r.garden/flow3r/flow3r-firmware
     $ cd flow3r-firmware
     $ python3 -m venv venv
-    $ venv/bin/pip install pygame wasmer wasmer-compiler-cranelift
+    $ venv/bin/pip install pygame requests
+    $ venv/bin/pip install wasmer wasmer-compiler-cranelift
 
 .. warning::