docs: add CHANGELOG for v0.2.0

sumant1122 · sumant1122 · commit b7effee4271b · 2026-04-07T19:34:17.000+05:30
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -0,0 +1,13 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+## [0.2.0] - 2026-04-07
+
+### Fixed
+-   Module path changed to `github.com/sumant1122/Perfmon` to support `go install`.
+
+### Changed
+-   Version bumped to 0.2.0.
+-   Internal imports updated to use the new module path.
+-   Documentation updated to reflect correct module path.
