Add nmap (#463)

manifests/Insecure/Nmap/7.80.yaml

@@ -0,0 +1,18 @@
+Id: Insecure.Nmap
+Version: 7.80
+Name: Nmap
+Publisher: Insecure
+License: Modified GNU GPLv2
+LicenseUrl: https://nmap.org/book/man-legal.html
+AppMoniker: nmap
+Tags: network, scan, security
+Description: Nmap ("Network Mapper") is a free and open source utility for network discovery and security auditing.
+Homepage: https://nmap.org/
+Installers:
+  - Arch: x86
+    Url: https://nmap.org/dist/nmap-7.80-setup.exe
+    Sha256: 3B4D726BD366E7439367FA78A186DFA9B641D3B2AD354FD915581B6567480F94
+    InstallerType: exe
+    Switches:
+      Silent: "/S"
+      SilentWithProgress: "/S"