Pull request #77: Expand pip install description

Merge in HSW_SDK/vmbpy from feature/add-specific-install-command-for-installing-extras to dev

* commit '26dec5716e922374819259e19e3755f64b3b86d1':
  Add note about possibility of command being `pip3`
  Expand `pip install` description

README.md

@@ -11,7 +11,11 @@ allowing for rapid development of applications.
 To use VmbPy an installation of Vimba X and Python >= 3.7 are required. A ready-to-install packaged
 `.whl` file of VmbPy can be found as part of the Vimba X installation, or be downloaded from our
 [github release page](https://github.com/alliedvision/VmbPy/releases). The `.whl` can be installed
-as usual via the `pip install` command.
+as usual via the [`pip install`](https://pip.pypa.io/en/stable/cli/pip_install/) command.
+
+> [!NOTE]  
+> Depending on the some systems the command might instead be called `pip3`. Check your systems
+> Python documentation for details.
 
 ## Optional dependencies
 
@@ -24,6 +28,13 @@ tools that are used in our full test suite. The following extras are defined for
 - test: Additional tools such as `flake8`, `mypy`, and `coverage` only necessary for executing
   `run_tests.py`
 
+> [!NOTE]  
+> Installing these extra dependencies is possible by defining them as part of the installation
+> command like so (note the single quotes around the filename and extras):
+> ```
+> pip install '/path/to/vmbpy-X.Y.Z-py-none-any.whl[numpy,opencv]'
+> ```
+
 ### Yocto on NXP i.MX8 and OpenCV
 
 The GPU in i.MX8 systems requires using the system-wide opencv-python package. When you create the