Feature/lab12

[kuliran]

• docs/README updated
• no secrets/large temp files
• Task 1 — Create the Moscow Time Application
• Task 2 — Build Traditional Docker Container
• Task 3 — Build WASM Container
• Task 4 — Performance Comparison & Analysis
• Bonus — Deploy to Fermyon Spin Cloud (if completed)

Key Achievement: Used the same main.go for both traditional and WASM builds!
Startup benchmarks performed using MODE=once for both targets.