chore(docs): update readme (#2048)

update readme and fix a spelling error

issue: none

README.md

@@ -95,14 +95,14 @@ Follow these steps to set up a functional development environment:
 1. Install Docker Desktop.
 2. Run `make install-go-tools`.
 3. Run `make install-pre-commit`.
-4. Run `pre-commit install --install-hooks` in the repo root directory.
-5. Create a PGP key pair and [add the public key to Github](https://docs.github.com/en/authentication/managing-commit-signature-verification/adding-a-gpg-key-to-your-github-account).
-6. Configure Git:
-```
+4. Create a PGP key pair and [add the public key to Github](https://docs.github.com/en/authentication/managing-commit-signature-verification/adding-a-gpg-key-to-your-github-account).
+5. Configure Git. Please note that signing commits is required to merge a PR, and length 7 commit abbreviation is required to run `make build-docker` locally.
+
+```bash
 git config --local user.name <Foo Bar>
 git config --local user.email <email@host.com>
-git config --local core.abbrev 7
-git config --local commit.gpgsign true
+git config --local core.abbrev 7                 # align short commits
+git config --local commit.gpgsign true           # sign commits
 ```
 
 ## Security

docs/content/build/1-quickstart.md

@@ -126,7 +126,7 @@ echo $CONTROLLER    # XStakeController contract address on Omni EVM
 
 ### 5. Try it out
 
-Setup env.
+Setup environment.
 ```bash
 source deployments.sh
 
@@ -143,7 +143,7 @@ cast send $OP_TOKEN "approve(address,uint256)"   $OP_XSTAKER 100 --rpc-url $OP_R
 
 Calculate xcall fee.
 ```bash
-cast call $OP_XSTAKER "stakeFee(uint256)(uint256)" 100 --rpc-url $OP_RCP
+cast call $OP_XSTAKER "stakeFee(uint256)(uint256)" 100 --rpc-url $OP_RPC
 ```