techdocs: Add changeset for all three packages

packages/techdocs-common/README.md

@@ -4,6 +4,7 @@ Common functionalities for TechDocs, to be shared between techdocs plugins and t
 
 This package is used by `techdocs-backend` to serve docs from different types of publishers (Google GCS, Local, etc.).
 It is also used to build docs and publish them to storage, by both `techdocs-backend` and `techdocs-cli`.
+
 ## Usage
 
 Create a preparer instance from the [preparers available](/packages/techdocs-common/src/stages/prepare) at which takes an Entity instance.
@@ -11,6 +12,7 @@ Run the [docs generator](/packages/techdocs-common/src/stages/generate) on the p
 Publish the generated directory files to a [storage](/packages/techdocs-common/src/stages/publish) of your choice.
 
 Example:
+
 ```js
 async () => {
   const preparedDir = await preparer.prepare(entity);
@@ -26,7 +28,7 @@ async () => {
     entity: entity,
     directory: resultDir,
   });
-}
+};
 ```
 
 ## Features