chore: add changelog.md

Author: jasonraimondi

CHANGELOG.md

@@ -0,0 +1,21 @@
+# v2.0.0
+
+**Breaking: Axios configuration options must now be nested under a `config` key in module registration to support new features**
+
+Before:
+```ts 
+AxiosModule.register({
+  baseURL: "https://example.com",
+  ...
+})
+```
+
+After:
+```ts
+AxiosModule.register({
+  config: {
+    baseURL: "https://example.com",
+    ...
+  },
+})
+```