Add command line usage to readme

README.md

@@ -30,4 +30,35 @@ For code examples on using Concoction as a library, see [the test cases](concoct
 
 ### As a command line application
 
-> Not yet implemented
+Usage as shown from `--help`:
+```shell
+Usage: Concoction [-h] [-v] [-V] [-dd=<directoryDepth>] [-i=<input>]
+                  [-id=<inputDir>] [-im=<archiveMode>] [-m=<model>]
+                  [-md=<modelDir>] [-rcm=<consoleOutputMode>]
+Dynamic Shared Malware Scanner
+  -dd, --dirDepth=<directoryDepth>
+                            Directory depth to scan for with --modelDir and
+                              --inputDir
+  -h, --help                Show this help message and exit.
+  -i, --input=<input>       Path to single file to scan (jar)
+  -id, --inputDir=<inputDir>Directory containing files to scan (jar)
+  -im, --inputMode=<archiveMode>
+                            Mode to use when parsing jar/zip files.
+                             - RANDOM_ACCESS_JAR: Used when inputs are loaded
+                              dynamically via 'java.util.zip.ZipFile' or 'java.
+                              util.zip.JarFile'
+                             - RUNNABLE_JAR:      Used when inputs are treated
+                              as a program run via 'java -jar' or 'java -cp'
+                             - STREAMED_JAR:      Used when inputs are loaded
+                              dynamically via streaming such as with 'java.util.
+                              zip.ZipInputStream' or 'java.util.zip.
+                              JarInputStream'
+
+  -m, --model=<model>       Path to single concoction scan model file (json)
+  -md, --modelDir=<modelDir>Directory containing concoction scan model files
+                              (json)
+  -rcm, --resultsConsoleMode=<consoleOutputMode>
+                            Console output display mode for results
+  -v, --verbose             Enables more verbose logging and error details
+  -V, --version             Print version information and exit.
+```