Add various scripts for server power management and build process

- Introduced .gitignore to exclude unnecessary files
- Added scripts for powering on/off servers via IPMI and iLO
- Implemented multi_powercycle script to manage multiple servers
- Created build script for packaging multi_powercycle with PyInstaller
- Enhanced logging functionality across scripts

Co-authored-by: Copilot <copilot@github.com>

.gitignore

@@ -0,0 +1,26 @@
+# PyInstaller
+build/
+dist/
+*.spec
+
+# Python
+__pycache__/
+*.py[cod]
+*.pyo
+*.pyd
+.Python
+*.egg-info/
+.eggs/
+
+# Virtual environments
+.venv/
+venv/
+env/
+
+# Credentials (never commit these)
+credentials
+*.credentials
+
+# OS
+.DS_Store
+Thumbs.db