Add German DL custom format specification

custom_formats/German DL.yml

@@ -0,0 +1,13 @@
+"name": "German DL",
+"includeCustomFormatWhenRenaming": true,
+"specifications": [
+  {
+    "name": "German DL",
+    "implementation": "ReleaseTitleSpecification",
+    "negate": false,
+    "required": true,
+    "fields": {
+      "value": "(?i)german\\s*\\.?dl|(?<=\\bGerman\\b.*)(?<!\\bWEB[-_. ])\\bDL\\b|\\[DE\\+[a-z]{2}\\]|\\[[a-z]{2}\\+DE\\]|ger,\\s*[a-z]{3}\\]|\\[[a-z]{3}\\s*,\\s*ger\\]"
+    }
+  }
+]