docs: update installation instructions and fix navigation links

Author: dataGriff

CONTRIBUTING.md

@@ -7,7 +7,11 @@ This documentation will help you contribute to this codebase.
 [Install taskfile](https://taskfile.dev/docs/installation) via your preferred method.
 
 ```bash
-go install github.com/go-task/task/v3/cmd/task@latest
+mkdir -p ~/.local/bin && sh -c "$(curl --location https://taskfile.dev/install.sh)" -- -d -b ~/.local/bin
+```
+
+```bash
+echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.bashrc && source ~/.bashrc
 ```
 
 Confirm task installation

docs/audiences.md

@@ -18,11 +18,11 @@ Now that you understand the audiences its time to explore the interfaces designe
 <div class="navigation-buttons" markdown="1" style="display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem;">
 
 <div markdown="1">
-[← Previous: Principles](../principles/){ .md-button }
+[← Previous: Principles](principles.md){ .md-button }
 </div>
 
 <div markdown="1" style="text-align: right;">
-[Next: Interfaces →](../interfaces/){ .md-button .md-button--primary }
+[Next: Interfaces →](interfaces.md){ .md-button .md-button--primary }
 </div>
 
 </div>