feat: Adding yml mimeMap, so we could fetch xrefmap.yml for cross referencing

Author: VaclavElias

web.config

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <configuration>
     <system.webServer>
         <httpProtocol>
@@ -19,6 +19,7 @@
             <remove fileExtension="woff2" />
             <remove fileExtension=".mp4" />
             <remove fileExtension=".md" />
+            <remove fileExtension=".yml" />
             <mimeMap fileExtension=".html" mimeType="text/html" />
             <mimeMap fileExtension=".json" mimeType="application/json" />
             <mimeMap fileExtension=".css" mimeType="text/css" />
@@ -27,6 +28,7 @@
             <mimeMap fileExtension="woff2" mimeType="application/font-woff2" />
             <mimeMap fileExtension=".mp4" mimeType="video/mp4" />
             <mimeMap fileExtension=".md" mimeType="text/plain" />
+            <mimeMap fileExtension=".yml" mimeType="text/yaml" />
         </staticContent>
         <rewrite>
             <rules>