Fix issues

Author: m-mohr

README.md

@@ -96,7 +96,7 @@ A vector dimension that defines a spatial dimension based on geometries.
 | description      | string         | Detailed multi-line description to explain the dimension. [CommonMark 0.29](http://commonmark.org/) syntax MAY be used for rich text representation. |
 | bbox             | \[number]      | **REQUIRED.** A single bounding box of the geometries as defined for [STAC Collections](https://github.com/radiantearth/stac-spec/blob/master/collection-spec/collection-spec.md#spatial-extent-object), but not nested. |
 | values           | \[string\|[GeoJSON Object](https://tools.ietf.org/html/rfc7946)] | Optionally, a representation of the vectors. This can be a list of WKT strings, GeoJSON objects or identifiers. |
-| geometry_types   | \[GeoJSON Types](https://www.rfc-editor.org/rfc/rfc7946#section-1.4)] | A set of geometry types. If not present, mixed geometriy types must be assumed. |
+| geometry_types   | \[[GeoJSON Types](https://www.rfc-editor.org/rfc/rfc7946#section-1.4)] | A set of geometry types. If not present, mixed geometriy types must be assumed. |
 | reference_system | string\|number\|object | The spatial reference system for the data, specified as [numerical EPSG code](http://www.epsg-registry.org/), [WKT2 (ISO 19162) string](http://docs.opengeospatial.org/is/18-010r7/18-010r7.html) or [PROJJSON object](https://proj.org/specifications/projjson.html). Defaults to EPSG code 4326. |
 
 ### Additional Dimension Object

examples/vector.json

@@ -1,7 +1,7 @@
 {
   "stac_version": "1.0.0",
   "stac_extensions": [
-    "https://stac-extensions.github.io/datacube/v2.0.0/schema.json"
+    "https://stac-extensions.github.io/datacube/v2.1.0/schema.json"
   ],
   "id": "vector-datacube",
   "type": "Feature",
@@ -130,6 +130,9 @@
           "POLYGON ((-122.26203918457031 37.69726847113855, -122.19577789306639 37.69726847113855, -122.19577789306639 37.747507619675595, -122.26203918457031 37.747507619675595, -122.26203918457031 37.69726847113855))",
           "POLYGON ((-122.13415145874025 37.65175228874552, -122.10994720458984 37.65175228874552, -122.10994720458984 37.66765215806202, -122.13415145874025 37.66765215806202, -122.13415145874025 37.65175228874552))"
         ],
+        "geometry_types": [
+          "Polygon"
+        ],
         "reference_system": 4326
       },
       "t": {