Merge pull request #7 from w3c/ogc-resources-20250428

Add OGC resources to resources.md

Author: mjkoster

resources.md

@@ -109,8 +109,33 @@ standards for telecommunication technologies and the use cases they enable
 #### Data models
 TBD
 
-### Open Geospatial Consortium (OGC):
+### Open Geospatial Consortium (OGC)
 geolocation and geographic information systems
+* [OGC Standards](https://www.ogc.org/standards/)
+** [Abstract Specification](https://www.ogc.org/standards/abstract-specification/)
+** OGC APIs
+*** [OGC API - Features](https://www.ogc.org/standards/ogcapi-features/)
+*** [OGC API - Moving Features](https://www.ogc.org/standards/ogc-api-moving-features/)
+*** [OGC API - Processes](https://www.ogc.org/standards/ogcapi-processes/)
+*** [OGC Sensor Things API](https://www.ogc.org/standards/sensorthings/)
+** Services
+*** TBD
+** Data Modesl and Encodings - General
+*** [3D Tiles](https://www.ogc.org/standards/3dtiles/)
+*** [GeoPose](https://www.ogc.org/standards/geopose/)
+*** [Indexed 3D Scene Layers (I3S)](https://www.ogc.org/standards/i3s/)
+*** [Observations, Measurements and Samples](https://www.ogc.org/standards/om/)
+** General Feature Model
+** Simple Features
+** Data Modesl and Encodings - Domain Specific
+*** [CityGML](https://www.ogc.org/standards/citygml/)
+*** [CityJSON](https://www.ogc.org/standards/cityjson/)
+*** [Indoor Mapping Data Forat (IMDF)](https://www.ogc.org/standards/indoor-mapping-data-format/)
+*** [LAS Specification](https://www.ogc.org/standards/las/)
+*** [MUDDI](https://www.ogc.org/standards/muddi/)
+*** [OGC WaterML](https://www.ogc.org/standards/waterml/)
+*** [Points of Interest (POI)](https://www.ogc.org/standards/points-of-interest-poi/)
+*** [TimeseriesML (TSML)](https://www.ogc.org/standards/tsml/)
 
 ### ISO
 standards on sustainable cities and communities