Add sample habitat image and zone data

- Renames fixture scripts

backend/right_tree/api/data/fixtures/006_zones.json

@@ -747,7 +747,7 @@
         "model": "api.zone",
         "pk": 63,
         "fields": {
-            "name": "HERBACEOUS",
+            "name": "HERBACEOUS ",
             "variant": "Border",
             "refined_variant": null,
             "redirect_habitat": null,

backend/right_tree/api/data/fixtures/007_sample_habitat_images.json

@@ -0,0 +1,20 @@
+[
+    {
+        "model": "api.habitatimage",
+        "pk": 1,
+        "fields": {
+            "habitat": 7,
+            "name": "Mangrove",
+            "image_filename": "01-coastal-mangroves-marshes.png"
+        }
+    },
+    {
+        "model": "api.habitatimage",
+        "pk": 2,
+        "fields": {
+            "habitat": 7,
+            "name": "Salt Marsh",
+            "image_filename": "03-coastal-grass-reeds-scrub.png"
+        }
+    }
+]

backend/right_tree/api/data/fixtures/008_sample_zone_segments.json

@@ -0,0 +1,52 @@
+[
+    {
+        "model": "api.zoneimagesegment",
+        "pk": 1,
+        "fields": {
+            "zone": 58,
+            "habitat_image": 1,
+            "segment_order": 0,
+            "segment_percentage_width": 7.4
+        }
+    },
+    {
+        "model": "api.zoneimagesegment",
+        "pk": 2,
+        "fields": {
+            "zone": 126,
+            "habitat_image": 1,
+            "segment_order": 1,
+            "segment_percentage_width": 8.7
+        }
+    },
+    {
+        "model": "api.zoneimagesegment",
+        "pk": 3,
+        "fields": {
+            "zone": 98,
+            "habitat_image": 1,
+            "segment_order": 2,
+            "segment_percentage_width": 20.6
+        }
+    },
+    {
+        "model": "api.zoneimagesegment",
+        "pk": 4,
+        "fields": {
+            "zone": 77,
+            "habitat_image": 1,
+            "segment_order": 4,
+            "segment_percentage_width": 33.1
+        }
+    },
+    {
+        "model": "api.zoneimagesegment",
+        "pk": 5,
+        "fields": {
+            "zone": 66,
+            "habitat_image": 1,
+            "segment_order": 5,
+            "segment_percentage_width": 30.2
+        }
+    }
+]