Add image/vnd.ms-dds with extension .dds

closes jshttp#170
closes jshttp#171

Author: the-simian

HISTORY.md

@@ -1,6 +1,7 @@
 unreleased
 ==========
 
+  * Add `image/vnd.ms-dds` with extension `.dds`
   * Add new upstream MIME types
   * Remove compressible from `multipart/mixed`
 

db.json

@@ -6803,6 +6803,9 @@
   "image/vnd.mozilla.apng": {
     "source": "iana"
   },
+  "image/vnd.ms-dds": {
+    "extensions": ["dds"]
+  },
   "image/vnd.ms-modi": {
     "source": "iana",
     "extensions": ["mdi"]

src/custom-types.json

@@ -621,6 +621,13 @@
   "image/vnd.adobe.photoshop": {
     "compressible": true
   },
+  "image/vnd.ms-dds" : {
+    "extensions": ["dds"],
+    "notes": "Microsoft format for storing graphical textures and cubemaps. Used in 3d engines, such as Babylon.js.",
+    "sources": [
+      "https://docs.microsoft.com/en-us/windows/win32/wic/dds-format-overview"
+    ]
+  },
   "image/x-icon": {
     "compressible": true,
     "notes": "Usually a wrapper for .bmp formated images.",