Delete .github/workflows directory

Delete Untitled-2.md

Delete Untitled-1.md

Volume 2

2.14 - WAN Architecture

2.16 - Controller-Based Networking

2.11 - QoS

2.15 - Cloud Architecture

2.17 - Cisco SDA

2.12 - Miscellaneous IP Services

2.10 - Network Address Translation

2.9 - Device Management Protocols

2.7 - Implementing DHCP

2.6 - Implementing Switch Security

2.5 - Securing Network Devices