Add changelog for v0.3.6 (#3)

Signed-off-by: Benjamin Huo <[email protected]>

Author: benjaminhuo

CHANGELOG.md

@@ -2,4 +2,15 @@
 
 [npm history][1]
 
-[1]: https://www.npmjs.com/package/@openfunction/functions-framework?activeTab=versions
+[1]: https://www.npmjs.com/package/@openfunction/functions-framework?activeTab=versions
+
+## 0.3.6 / 2022-03-07
+
+functions-framework-nodejs v0.3.6 changes npm package from @google-cloud/functions-framework to @openfunction/functions-framework
+
+- Buildpacks builder: openfunction/builder-node:v2-16.13
+- Function Samples: https://github.com/OpenFunction/samples/tree/main/functions/Knative/hello-world-node
+
+### Enhancement
+
+- Improve docs.