Add basic README

Author: vdjagilev

README.md

@@ -0,0 +1,19 @@
+# NMAP-Formatter
+
+A tool that allows you to convert NMAP XML output to html/csv/json/markdown.
+
+## Usage
+
+Convert XML output to nicer HTML
+
+```
+nmap-formatter [path-to-nmap.xml] html > some-file.html
+```
+
+or Markdown
+
+```
+nmap-formatter [path-to-nmap.xml] md > some-markdown.md
+```
+
+