Adding scripts for renaming (Azure#17363)

Co-authored-by: Minnie Liu <peiliu@microsoft.com>

Author: minnieliu

sdk/communication/azure-communication-chat/swagger/README.md

@@ -48,3 +48,98 @@ context-client-method-parameter: true
 enable-xml: false
 required-parameter-client-methods: true
 ```
+
+### Rename AddChatThreadMembersRequest to AddChatThreadMembersOptions
+``` yaml
+directive:
+- from: swagger-document
+  where: $.definitions
+  transform: >
+    if (!$.AddChatThreadMembersOptions) {
+      $.AddChatThreadMembersOptions = $.AddChatThreadMembersRequest;
+      delete $.AddChatThreadMembersRequest;
+    }
+- from: swagger-document
+  where: $["paths"]["/chat/threads/{chatThreadId}/members"].post.parameters[2]
+  transform: >
+    if ($.schema && $.schema.$ref && $.schema.$ref.endsWith("AddChatThreadMembersRequest")) {
+        const path = $.schema.$ref.replace(/[#].*$/, "#/definitions/AddChatThreadMembersOptions");
+        $.schema = { "$ref": path };
+    }
+```
+
+### Rename CreateChatThreadRequest to CreateChatThreadOptions
+``` yaml
+directive:
+- from: swagger-document
+  where: $.definitions
+  transform: >
+    if (!$.CreateChatThreadOptions) {
+      $.CreateChatThreadOptions = $.CreateChatThreadRequest;
+      delete $.CreateChatThreadRequest;
+    }
+- from: swagger-document
+  where: $["paths"]["/chat/threads"].post.parameters[1]
+  transform: >
+    if ($.schema && $.schema.$ref && $.schema.$ref.endsWith("CreateChatThreadRequest")) {
+        const path = $.schema.$ref.replace(/[#].*$/, "#/definitions/CreateChatThreadOptions");
+        $.schema = { "$ref": path };
+    }
+```
+
+### Rename SendChatMessageRequest to SendChatMessageOptions
+``` yaml
+directive:
+- from: swagger-document
+  where: $.definitions
+  transform: >
+    if (!$.SendChatMessageOptions) {
+      $.SendChatMessageOptions = $.SendChatMessageRequest;
+      delete $.SendChatMessageRequest;
+    }
+- from: swagger-document
+  where: $["paths"]["/chat/threads/{chatThreadId}/messages"].post.parameters[2]
+  transform: >
+    if ($.schema && $.schema.$ref && $.schema.$ref.endsWith("SendChatMessageRequest")) {
+        const path = $.schema.$ref.replace(/[#].*$/, "#/definitions/SendChatMessageOptions");
+        $.schema = { "$ref": path };
+    }
+```
+
+### Rename UpdateChatMessageRequest to UpdateChatMessageOptions
+``` yaml
+directive:
+- from: swagger-document
+  where: $.definitions
+  transform: >
+    if (!$.UpdateChatMessageOptions) {
+      $.UpdateChatMessageOptions = $.UpdateChatMessageRequest;
+      delete $.UpdateChatMessageRequest;
+    }
+- from: swagger-document
+  where: $["paths"]["/chat/threads/{chatThreadId}/messages/{chatMessageId}"].patch.parameters[3]
+  transform: >
+    if ($.schema && $.schema.$ref && $.schema.$ref.endsWith("UpdateChatMessageRequest")) {
+        const path = $.schema.$ref.replace(/[#].*$/, "#/definitions/UpdateChatMessageOptions");
+        $.schema = { "$ref": path };
+    }
+```
+
+### Rename UpdateChatThreadRequest to UpdateChatThreadOptions
+``` yaml
+directive:
+- from: swagger-document
+  where: $.definitions
+  transform: >
+    if (!$.UpdateChatThreadOptions) {
+      $.UpdateChatThreadOptions = $.UpdateChatThreadRequest;
+      delete $.UpdateChatThreadRequest;
+    }
+- from: swagger-document
+  where: $["paths"]["/chat/threads/{chatThreadId}"].patch.parameters[2]
+  transform: >
+    if ($.schema && $.schema.$ref && $.schema.$ref.endsWith("UpdateChatThreadRequest")) {
+        const path = $.schema.$ref.replace(/[#].*$/, "#/definitions/UpdateChatThreadOptions");
+        $.schema = { "$ref": path };
+    }
+```