Add comments

lib/compliance_overrides.js

@@ -1,6 +1,16 @@
 const db = require('./db')
 const uuid = require('uuid')
 
+/**
+ * Create new compliance override
+ *
+ * @name add
+ * @function
+ *
+ * @param {object} complianceOverride Compliance override object
+ *
+ * @returns {object} Newly created compliance override
+ */
 function add (complianceOverride) {
   const sql = `insert into compliance_overrides 
   (id,