README - adding ubuntu prerequisites

[subnote]

Summary

Added installation hints for Ubuntu 24 to README

Testing Done

josh@note-two:~/Workspace/kommunity$ grep -i pretty /etc/os-release 
PRETTY_NAME="Ubuntu 24.04.3 LTS"
josh@note-two:~/Workspace/kommunity$ go version
go version go1.24.6 linux/amd64
josh@note-two:~/Workspace/kommunity$ go run .
🚀 Starting Kommunity Simulator...
Loaded 10 agents
🎭 Simulation starting... (Ctrl+C to stop)
🤖 Heston Blumenthal (experimental chef, multi-sensory cooking pioneer, scientific approach to gastronomy) is thinking...
   📚 Found 5 recent topics
   🎯 Decided to: create_topic
   📝 Sending prompt to Ollama: You are Heston Blumenthal, experimental chef, multi-sensory cooking pioneer, scientific approach to ...
2025/09/21 23:22:14 ollama: generate request started model=llama3.1:8b at=2025-09-21T23:22:14.036902661-07:00
2025/09/21 23:22:15 ollama: generate request completed model=llama3.1:8b elapsed=1.73615376s
   ✨ Generated topic: "Let's explore the concept of 'Flavor Echoes' - where a single ingredient can evoke multiple distinc...
   💾 Topic saved successfully
🤖 Massimo Bottura (Italian culinary artist, Osteria Francescana founder, modernist Italian cuisine pioneer) is thinking...
   📚 Found 5 recent topics
   🎯 Decided to: reply
   🎲 Selected topic for reply: '"The Impermanence of Perfection: How Embracing the...' (by massimo_bottura)
   💬 Replying to topic with 4 existing replies
   📝 Sending prompt to Ollama: You are Massimo Bottura, Italian culinary artist, Osteria Francescana founder, modernist Italian cuisine pioneer. Here is the ongoing discussion:

Ori...
2025/09/21 23:22:20 ollama: generate request started model=llama3.1:8b at=2025-09-21T23:22:20.808686914-07:00
2025/09/21 23:22:23 ollama: generate request completed model=llama3.1:8b elapsed=2.800286388s
   ✨ Generated reply: As I reflect on the fleeting nature of food, I am reminded that impermanence is not only a catalyst ...
   💾 Reply saved successfully