Problem: CHANGELOG is outdated for release v0.0.2-alpha (fix #155) (#156)

Solution:
- Update CHANGELOG.md

Author: elecming

CHANGELOG.md

@@ -1,13 +1,25 @@
 # Changelog
 ## [Unreleased]
 
+## [v0.0.2-alpha] - 2022-07-18
+### Security Warning
+No security audits of this release have ever been performed yet.
+
+The project is still in development and is alpha quality.
+
+USE AT YOUR OWN RISK!
+
 ### Added
 - Add CMake support
+- Add `get_token_holders` function
+- Add examples
 
 ### Changed
 - Replace openssl with `rustls`
 - Improve dynamic build for mac (change to rapth using `install_name_tool`) and linux (build a
 dynamic library wrapper on a static library)
+- Replace the `cargo test` execution with `cargo llvm-cov`
+- Replace `grpc-web-client` with `tonic-web-wasm-client`
 
 ### Removed
 

play-cpp-sdk/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "play-cpp-sdk"
-version = "0.1.0"
+version = "0.0.2-alpha"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html