message: Add compatibility table with semver version ranges
  [ci skip]
diff: @@ -6,10 +6,10 @@ An SDK to build CosmWasm clients.
  ## Compatibility
  -| CosmJS | CosmWasm | x/wasm |
  -| ------ | -------- | ------ |
  -| 0.21 | 0.9 | 0.9 |
  -| 0.20 | 0.8 | 0.8 |
  +| CosmWasm | x/wasm | @cosmjs/cosmwasm |
  +| -------- | ------ | ---------------- |
  +| 0.9 | 0.9 | `^0.21.0` |
  +| 0.8 | 0.8 | `^0.20.1` |
  ## License
  