docs: update README

Author: commenthol

README.md

@@ -3,8 +3,7 @@
 > Generate ical (.ics) files from date-holidays data
 
 [![NPM version](https://badge.fury.io/js/date-holidays-ical.svg)](https://www.npmjs.com/package/date-holidays-ical/)
-[![Build Status](https://github.com/commenthol/date-holidays-ical/workflows/CI/badge.svg?branch=master&event=push)](https://github.com/commenthol/date-holidays-ical/actions/workflows/ci.yml?query=branch%3Amaster)
-
+[![Build Status](https://github.com/commenthol/date-holidays-ical/actions/workflows/ci.yml/badge.svg)](https://github.com/commenthol/date-holidays-ical/actions/workflows/ci.yml)
 
 This tool exports data from [date-holidays][] into iCal format.
 
@@ -15,14 +14,16 @@ This tool exports data from [date-holidays][] into iCal format.
 
   Options:
 
-    -h, --help         output usage information
-    -V, --version      output the version number
-    -o, --out <file>   write to file
-    -y, --year <year>  year
-    -f, --fullday      ical events are per full day
-    -s, --showcode     show country code in each ical summary
-    -n, --name <name>  instead of country code add your own name to each ical summary
-    -q, --query        query for available countries, states, regions by shortcode
+    -h, --help                this help
+    -v, --version             display version
+    -o, --out      file       write to file
+    -y, --year     year       year or year range
+    -f, --fullday             ical events are per full day
+    -s, --showcode            show country code in each ical summary
+    -t, --transp              ical events are all transparent
+    -n, --name     name       instead of country code add your own name to each ical summary
+    -q, --query               query for available countries, states, regions by shortcode
+    -l, --language language   set language
 
   Examples:
 
@@ -34,6 +35,9 @@ This tool exports data from [date-holidays][] into iCal format.
 
     Calender for 2017 New Zealand, Auckland Province:
     $ holiday-ical -f -y 2017 NZ.au
+
+    Calender for 2017 - 2019 New Zealand Auckland Province:
+    $ holiday-ical -f -y 2017-2019 NZ.au
 ```
 
 Import the generated file into your calendar tool of choice.