docs(readme): Add demo video

README.md

@@ -3,7 +3,14 @@
 [![Build](https://github.com/gabe565/cli-of-life/actions/workflows/build.yaml/badge.svg)](https://github.com/gabe565/cli-of-life/actions/workflows/build.yaml)
 [![Go Report Card](https://goreportcard.com/badge/github.com/gabe565/cli-of-life)](https://goreportcard.com/report/github.com/gabe565/cli-of-life)
 
-Run Conway's Game of Life in your terminal!
+Play Conway's Game of Life in your terminal!
+
+<p align="center">
+  <picture>
+    <source media="(prefers-color-scheme: light)" srcset="https://github.com/user-attachments/assets/dfda81d9-2211-4ee9-ae10-201716e5a218">
+    <img width="720" alt="cli-of-life demo" src="https://github.com/user-attachments/assets/c5fdf882-af73-4f3e-90cb-e53fd2dcbf35">
+  </picture>
+</p>
 
 ## Installation
 

assets/demo.tape

@@ -0,0 +1,65 @@
+Output cli-of-life.gif
+
+Set TypingSpeed 20ms
+
+Set Theme "Builtin Dark"
+# Set Theme "Builtin Light"
+# Set MarginFill "transparent"
+Set FontSize 14
+Set Width 970
+Set Height 720
+Set Padding 30
+Set WindowBar Colorful
+Set BorderRadius 10
+
+Hide
+Type@0 'PATH="$PWD:$PATH"; clear'
+Enter
+Sleep 100ms
+Show
+Sleep 50ms
+
+Type "cli-of-life --file=patterns/gosperglidergun.rle"
+Sleep 400ms
+Enter
+Sleep 200ms
+Type "w "
+Sleep 5s
+Type "q"
+Sleep 250ms
+
+Type "cli-of-life --file=patterns/gabrielsp138.rle"
+Sleep 400ms
+Enter
+Sleep 200ms
+Type " "
+Sleep 4s
+Type "q"
+Sleep 250ms
+
+Type "cli-of-life --file=patterns/3blocktwinbeesshuttle.rle"
+Sleep 400ms
+Enter
+Sleep 200ms
+Type " "
+Sleep 4s
+Type "q"
+Sleep 250ms
+
+Type "cli-of-life --file=patterns/biblockfuse.rle"
+Sleep 400ms
+Enter
+Sleep 200ms
+Type " "
+Sleep 3s
+Type "q"
+Sleep 250ms
+
+Type "cli-of-life --file=patterns/piheptomino.rle"
+Sleep 400ms
+Enter
+Sleep 200ms
+Type " "
+Sleep 6.5s
+Type "q"
+Sleep 250ms