Added env variable configuration

Author: cblanc

config/defaults.js

@@ -0,0 +1,38 @@
+module.exports = {
+	nearest: {
+		radius: {
+			DEFAULT: 100,
+			MAX: 2000
+		},
+		limit: {
+			DEFAULT: 10,
+			MAX: 100
+		}
+	},
+	search: {
+		limit: {
+			DEFAULT: 10,
+			MAX: 100
+		}
+	},
+	bulkGeocode: {
+		geolocations: {
+			MAX: 100
+		}
+	},
+	bulkLookups: {
+		postcodes: {
+			MAX: 100
+		}
+	},
+	nearestOutcodes: {
+		radius: {
+			DEFAULT: 5000,
+			MAX: 25000
+		},
+		limit: {
+			DEFAULT: 10,
+			MAX: 100
+		}
+	}
+};