Create c4-model-component-diagram.png

Updated tasks mind map and added C4 Model Component Diagram

Added C4 Model Container Diagram

Added C4 Model Context Diagram

Added Use Case diagram example

Added Component Diagram

Added class diagram example

Added activity diagram example

Put into alphabetical order

Update to match blog post

Changing txt to md to add syntax highlighting

Create gantt-example.md

Added source files for a blog post

added Gantt chart example

Moved back link to top