📝 Update install section and contributing

CONTRIBUTING.md

@@ -5,4 +5,22 @@ yutu is a cli tool built using the [cobra](https://github.com/spf13/cobra). Feel
 - Commit messages should follow the [gitmoji](https://gitmoji.dev) convention.
 - Follow the existing naming and project structure.
 
-**Tests are especially welcomed**, as they are currently missing from the project.
+Here are some commands which may useful.
+
+```shell
+# upgrade all dependencies
+❯ go get -u ./...
+
+# run tests
+## unit tests
+❯ go test ./...
+## verify binary commands, detect shorthands conflicts, etc.
+❯ ./scripts/command-test.sh
+
+# build the binary
+## install goreleaser: https://goreleaser.com/install
+❯ GITHUB_REPOSITORY=eat-pray-ai/yutu goreleaser build --clean --auto-snapshot
+
+# script to install yutu
+❯ ./scripts/install.sh
+```

README.md

@@ -95,17 +95,15 @@ There are two actions available for yutu, one is for general purpose and the oth
 ### Linux
 
 ```shell
-❯ curl -sSfL https://github.com/eat-pray-ai/yutu/releases/latest/download/yutu-linux-$(uname -m) -o /usr/local/bin/yutu
-❯ chmod +x /usr/local/bin/yutu
+❯ curl -sSfL https://raw.githubusercontent.com/eat-pray-ai/yutu/main/scripts/install.sh | bash
 ```
 
 ### macOS
 
-Homebrew is not available since this repository is not notable enough, star this repository to make it available on Homebrew.
+Homebrew is not available since this repository is not notable enough, which requires at least 75 stars. Star this repository to make it available on Homebrew.
 
 ```shell
-❯ curl -sSfL https://github.com/eat-pray-ai/yutu/releases/latest/download/yutu-darwin-$(uname -m) -o /usr/local/bin/yutu
-❯ chmod +x /usr/local/bin/yutu
+❯ curl -sSfL https://raw.githubusercontent.com/eat-pray-ai/yutu/main/scripts/install.sh | bash
 ```
 
 ### Windows