Implement sequence/get API endpoint.

It returns data for all individual points in a sequence.

lib/www/server/api/middleware/sequence/get/geojson.js

@@ -0,0 +1,28 @@
+
+const { sequence } = require('../../../../lib/db');
+
+module.exports = async function (req, res, next) {
+
+	try {
+		const json = await sequence.get(req.params.project, req.params.sequence, req.query);
+		const geometry = req.query.geometry || "geometrypreplot";
+		
+		const geojson = {
+			type: "FeatureCollection",
+			features: json.map(feature => {
+				return {
+					type: "Feature",
+					geometry: feature[geometry],
+					properties: {...feature}
+				}
+			})
+		};
+		
+		res.status(200).send(geojson);
+		next();
+	} catch (err) {
+		next(err);
+	}
+
+
+};