#1004 Add GET /images

This commit adds GET /images to the ogServer REST API.

This call returns information of all the images in ogServer.

Example response:

{
  "images": [
    {
      "filename": "ubuntu.img",
      "datasize": 2150400000,
      "size": 613476223,
      "modified": "Wed Sep 23 10:37:36 2020",
      "permissions": "744"
    },
    {
      "filename": "test.img",
      "datasize": 2150400000,
      "size": 613236475,
      "modified": "Tue Sep 29 08:57:47 2020",
      "permissions": "744"
    }
  ],
  "disk": {
    "total": 52573995008,
    "free": 39624544256
  }
}

1 files changed, 1 insertions, 0 deletions

diff --git a/src/rest.h b/src/rest.h
index 4f2347f..58d25c7 100644
--- a/src/rest.h
+++ b/src/rest.h
@@ -33,6 +33,7 @@ enum og_cmd_type {
 	OG_CMD_IMAGE_RESTORE,
 	OG_CMD_SETUP,
 	OG_CMD_RUN_SCHEDULE,
+	OG_CMD_IMAGES,
 	OG_CMD_MAX
 };