chore: bump version to 0.2.0 and update release notes

Author: GSMLG-BOT

.github/workflows/release.yml

@@ -138,11 +138,10 @@ jobs:
 
           ### Features
 
-          - Distributed, strongly-consistent embedded key-value store
-          - Raft consensus algorithm via Ra
-          - 600K+ ops/sec performance
-          - HTTP REST API with OpenAPI documentation
-          - Token-based authentication and RBAC
+          - Embedded distributed key-value store for Elixir
+          - Raft consensus via Ra for strong consistency
+          - Secondary indexes with declarative extractors
           - TTL support, compression, and bulk operations
+          - Backup/restore and snapshot support
         draft: false
         prerelease: ${{ contains(steps.version.outputs.version, '-') }}

mix.exs

@@ -4,7 +4,7 @@ defmodule Concord.MixProject do
   def project do
     [
       app: :concord,
-      version: "0.1.0",
+      version: "0.2.0",
       elixir: "~> 1.14",
       start_permanent: Mix.env() == :prod,
       deps: deps(),