Add extension .csl to application/vnd.citationstyles.style+xml

closes jshttp#121

Author: rmzelle

HISTORY.md

@@ -1,6 +1,7 @@
 unreleased
 ==========
 
+  * Add extension `.csl` to `application/vnd.citationstyles.style+xml`
   * Add extension `.es` to `application/ecmascript`
   * Add new upstream MIME types
 

db.json

@@ -1633,7 +1633,9 @@
     "source": "iana"
   },
   "application/vnd.citationstyles.style+xml": {
-    "source": "iana"
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["csl"]
   },
   "application/vnd.claymore": {
     "source": "iana",

src/custom-types.json

@@ -169,6 +169,13 @@
       "https://developer.apple.com/library/content/documentation/UserExperience/Conceptual/PassKit_PG/DistributingPasses.html"
     ]
   },
+  "application/vnd.citationstyles.style+xml": {
+    "compressible": true,
+    "extensions": ["csl"],
+    "sources": [
+      "https://www.iana.org/assignments/media-types/application/vnd.citationstyles.style+xml"
+    ]
+  },
   "application/vnd.dart": {
     "compressible": true
   },