Document command line options

docs/reference/command-line-options.md

@@ -0,0 +1,21 @@
+# Command line options
+
+## Config file path
+
+`-c`, `--config <path>`
+
+Specifies the path to [FieldPOC configuration file](configuration.md).
+Of ommitted it looks for a file called `fieldpoc_config.json` in the current working directory.
+
+## Init
+
+`--init`
+
+Set up database. Run only once.
+
+## Debug
+
+`--debug`
+
+Sets log level to debug.
+Logs to stdout.

mkdocs.yml

@@ -14,4 +14,5 @@ nav:
     - install/rfp.md
     - install/omm.md
   - Reference:
+    - reference/command-line-options.md
     - reference/configuration.md