Add conversion document for buffer.ts

Author: MasterJ93

Conversion Documentation/common buffer conversion.md

@@ -0,0 +1,11 @@
+# Conversion for `common/buffer.ts`
+
+## `export function ui8ToBuffer(bytes: Uint8Array): Buffer`
+
+This is redundant and will not be converted.
+
+This is the same as converting a `[UInt8]` to a `Data` object. Use `Data([UInt8])` instead.
+
+## `export function ui8ToArrayBuffer(bytes: Uint8Array): ArrayBuffer`
+
+This is not needed and will not be converted.