chore(instructions): instruct copilot to precede terminal commands with a space

to avoid polluting bash history

Author: travi

.github/copilot-instructions.md

@@ -146,6 +146,7 @@ describe('Config Loader', () => {
 ## Boundaries
 
 **✅ Always do:**
+- Precede all terminal commands with a single space to avoid polluting bash history
 - Run `nvm use` before any npm command
 - Write tests before implementation (TDD)
 - Run lint and tests after every change