feat: examples to demonstrate the usage of changeset

.changeset/README.md

@@ -0,0 +1,8 @@
+# Changesets
+
+Hello and welcome! This folder has been automatically generated by `@changesets/cli`, a build tool that works
+with multi-package repos, or single-package repos to help you version and publish your code. You can
+find the full documentation for it [in our repository](https://github.com/changesets/changesets)
+
+We have a quick list of common questions to get you started engaging with this project in
+[our documentation](https://github.com/changesets/changesets/blob/main/docs/common-questions.md)

.changeset/config.json

@@ -0,0 +1,11 @@
+{
+  "$schema": "https://unpkg.com/@changesets/config@2.3.0/schema.json",
+  "changelog": ["@changesets/changelog-github", { "repo": "ruanyl/OpenSearch-Dashboards" }],
+  "commit": false,
+  "fixed": [],
+  "linked": [],
+  "access": "restricted",
+  "baseBranch": "main",
+  "updateInternalDependencies": "patch",
+  "ignore": []
+}

.changeset/heavy-tigers-sell.md

@@ -0,0 +1,16 @@
+---
+'opensearch-dashboards': minor
+---
+
+This is an example of using changeset
+
+In this example, there are some changes to `opensearch-dashboards`. But this is
+just for demo, there is no changes to the actual files.
+
+This is a example to demonstrate the idea of using changeset to manage
+changelog without tears.
+
+The changeset file is a regular markdown file, we can use markdown syntax:
+```
+yarn changeset add
+```

.changeset/lucky-pears-listen.md

@@ -0,0 +1,10 @@
+---
+'@osd/opensearch': patch
+---
+
+Another example to demonstrate changes to workspace packages
+
+In this example, there are some changes to package `@osd/opensearch`. But this is
+just for demo, there is no changes to the actual files.
+
+Ideally, we want to document each and every changes clearly of each package.

package.json

@@ -99,6 +99,7 @@
   },
   "workspaces": {
     "packages": [
+      ".",
       "packages/*",
       "examples/*",
       "test/plugin_functional/plugins/*",
@@ -116,6 +117,8 @@
   },
   "dependencies": {
     "@aws-crypto/client-node": "^3.1.1",
+    "@changesets/changelog-github": "^0.4.8",
+    "@changesets/cli": "^2.26.0",
     "@elastic/datemath": "5.0.3",
     "@elastic/eui": "npm:@opensearch-project/oui@1.0.0",
     "@elastic/good": "^9.0.1-kibana3",