Create OPSEC Guide.md

Create Malware Development.md

Delete Bypass Security Components directory

Delete Payload Delivery directory

Delete Phishing directory

Delete Win API Abusing directory

Delete evasion directory

Delete AD-CHEATSHEET.pdf

Delete BITS Jobs Abusing.md

Delete attack-kill-chain-small.jpg

Delete Binary Exploitation & Shellcoding directory

Update README.md

Add lsassy for LSASS dumping