Merge pull request #1779 from oysteinkn/docs/update-norkyst-url

updated url to norkyst v3 in the introduction docs

Author: knutfrode

docs/source/index.rst

@@ -67,7 +67,7 @@ Running a simulation can be as simple as:
    >>>
    >>> o = OceanDrift()
    >>> o.add_readers_from_list(
-   >>>     ['https://thredds.met.no/thredds/dodsC/sea/norkyst800m/1h/aggregate_be'])
+   >>>     ['https://thredds.met.no/thredds/dodsC/fou-hi/norkystv3_800m_m00_be'])
    >>> o.seed_elements(lon=4.85, lat=60, time=datetime.now(), number=10000, radius=1000)
    >>>
    >>> o.run(duration=timedelta(hours=24))