Major feat(Documentation): Complete documentation rework

Split documentation into three folders: Architecture, Testing and
Installation.

Rework and expand architecture.md alongside interfaces.md

Split all parts to do with testing from Architecture md's into Test md's

Add parameter to ExamResultGenerator node documentation

doc/installation/installation.md

@@ -0,0 +1,38 @@
+## Installation
+
+### Prerequisites
+
+- ROS2 Jazzy or newer installed ([ROS2 Installation Guide](https://docs.ros.org/en/jazzy/Installation.html))
+- CMake (version 3.8+)
+- Python 3.8+
+- libtomlplusplus-dev
+- libpqxx-dev
+- Colcon build tool
+- Docker compose
+
+### Clone the Repository
+
+```bash
+git clone https://git.wessel.gg/inholland/ros2-assignments.git
+cd ros2-assignments
+```
+
+### Build the Workspace
+
+```bash
+colcon build
+```
+Any parameters can be changed before building by editing the `grade_calculator.launch.xml` in the launch folder
+
+### Source the Workspace
+
+```bash
+source install/setup.bash
+```
+
+### Run the System
+
+```bash
+sudo docker-compose up
+ros2 launch g2_2025_grade_calculator_pkg grade_calculator.launch.xml
+```