Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress

tools/EVerest-main/docs/source/how-to-guides/getting-started/index.rst

@@ -0,0 +1,46 @@
+.. exp_quick_start_guides:
+
+############################
+Getting Started with EVerest
+############################
+
+We provide several entry points for a fast start with EVerest.
+Whether you want to do a software-based simulation or start
+working with existing hardware, you will find your way here.
+
+.. grid:: 1 2 2 2
+   :gutter: 3
+   :margin: 2 0 2 0
+
+   .. grid-item-card:: 🧩 Get started in Software
+      :link: get-started-sw
+      :link-type: doc
+
+      A big advantage of EVerest is the ability to simulate
+      complete EV charging stations in software without the need
+      for any hardware. This guide will help you to install EVerest
+      on your development machine and get started with a software-based
+      simulation.
+
+   .. grid-item-card:: ⚙️ Get started with Hardware
+      :link: get-started-hw
+      :link-type: doc
+
+      Want to get EVerest running on real hardware right away?
+      This guide presents several options to get started with existing
+      hardware components. You will find the right approach for your
+      specific use case here.
+
+   .. grid-item-card:: 🔌 EVerest APIs
+      :link: /explanation/adapt-everest/apis
+      :link-type: doc
+
+      Learn about the APIs provided by EVerest that help you integrating
+      EVerest into your system and adapting it to your needs.
+
+.. toctree::
+    :maxdepth: 1
+    :hidden:
+    
+    get-started-sw
+    get-started-hw