chore: add changelog

Author: ChiragAgg5k

CHANGELOG.md

@@ -1,8 +1,23 @@
 # Change Log
 
+## 8.2.0
+
+* Add `incrementDocumentAttribute` and `decrementDocumentAttribute` support to `Databases` service
+* Add `gif` support to `ImageFormat` enum
+* Add `sequence` support to `Document` model
+
+## 8.1.0
+
+* Add `devKeys` support to `Client` service
+* Add `upsertDocument` support to `Databases` service
+
 ## 8.0.0
 
 * Add `token` param to `getFilePreview` and `getFileView` for File tokens usage
 * Update default `quality` for `getFilePreview` from 0 to -1
 * Remove `Gif` from ImageFormat enum
-* Remove `search` param from `listExecutions` method
+* Remove `search` param from `listExecutions` method
+
+## 7.0.1
+
+* Fix requests failing by removing `Content-Type` header from `GET` and `HEAD` requests