Merge pull request #13 from open223/Add-pnnl-example1-model

Add pnnl example1 model

examples/pnnl-example1.md

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+# PNNL Example Building 1
+
+This is an example building model provided by Pacific Northwest National Laboratory.
+
+The model is a simplistic, reference building consisting of a single story with 5 rooms: open office, private office, bathroom, kitchenette, corridor.
+
+The model contains a representation of the building architecture and lighting system.
+
+In addition to the s223 ontology, the model uses the [Real Estate Core ontology](https://dev.realestatecore.io/ontology/) to describe space types.
+
+## Source
+
+The model was created from souce data consisting of a Revit building information model (BIM) exported via a [Speckle](https://speckle.systems/) interface.
+
+### The Speckle view of rooms and lighting fixtures
+<img width="1212" alt="image" src="https://github.com/open223/models.open223.info/assets/22898727/92b1afd2-b3c3-492b-a7c7-61dea827a246">
+
+Model instance data have a prefix that is resolvable to a Speckle URL.
+``` ttl
+@prefix bdg1: <http://speckle.xyz/streams/1fed8e620e/objects/>
+```
+
+For example, the following luminaire resolves to https://speckle.xyz/streams/1fed8e620e/objects/05749166d93671bedf16efb52636ce38.
+```ttl
+bdg1:05749166d93671bedf16efb52636ce38 a s223:Luminaire
+```
+
+## Downloads
+
+## Queries
+
+## Model Components