DOCS: Migrated documentation website to Gitbook (#1809)

documentation/functions/domain/DS.md

@@ -0,0 +1,33 @@
+---
+name: DS
+parameters:
+  - name
+  - keytag
+  - algorithm
+  - digesttype
+  - digest
+  - modifiers...
+parameter_types:
+  name: string
+  keytag: number
+  algorithm: number
+  digesttype: number
+  digest: string
+  "modifiers...": RecordModifier[]
+---
+
+DS adds a DS record to the domain.
+
+Key Tag should be a number.
+
+Algorithm should be a number.
+
+Digest Type must be a number.
+
+Digest must be a string.
+
+```javascript
+D("example.com", REGISTRAR, DnsProvider(R53),
+  DS("example.com", 2371, 13, 2, "ABCDEF")
+);
+```