fix: readme (#22)

Author: dongwon8247

README.md

@@ -33,17 +33,17 @@ You can read the docs in [Gitbook](https://onbloc.gitbook.io/gnoland-developer-p
       - [realm.gno](docs/building-a-realm/realm-examples/realm.gno.md)
       - [foo20.gno](docs/building-a-realm/realm-examples/foo.gno.md)
       - [foo721.gno](docs/building-a-realm/realm-examples/foo721.gno.md)
-    - [CLI](docs/cli/)
-      - [Common Parameters](docs/cli/common-parameters.md)
-      - [gnokey](docs/cli/gnokey.md)
-      - [gnoland](docs/cli/gnoland.md)
-      - [tm2txsync](docs/cli/tm2txsync.md)
-      - [gno](docs/cli/gno.md)
-      - [gnofaucet](docs/cli/gnofaucet.md)
-    - [Environment Setup](docs/environment-setup/)
-      - [Initial Setup](docs/environment-setup/initial-setup.md)
-      - [Build the Local Testnet](docs/environment-setup/build-the-local-testnet.md)
-    - [Gnoland RPC Endpoints](docs/gnoland-rpc-endpoints.md)
+  - [CLI](docs/cli/)
+    - [Common Parameters](docs/cli/common-parameters.md)
+    - [gnokey](docs/cli/gnokey.md)
+    - [gnoland](docs/cli/gnoland.md)
+    - [tm2txsync](docs/cli/tm2txsync.md)
+    - [gno](docs/cli/gno.md)
+    - [gnofaucet](docs/cli/gnofaucet.md)
+  - [Environment Setup](docs/environment-setup/)
+    - [Initial Setup](docs/environment-setup/initial-setup.md)
+    - [Build the Local Testnet](docs/environment-setup/build-the-local-testnet.md)
+  - [Gnoland RPC Endpoints](docs/gnoland-rpc-endpoints.md)
 - Tutorials
   - [Interact with Gnoland](tutorials/interact-with-gnoland.md)
   - [Start Writing a Realm](tutorials/start-writing-a-realm.md)