[Feat] add homebrew install command (#23)

Author: mistricky

.github/workflows/release.yml

@@ -90,6 +90,11 @@ jobs:
             Cargo install codesnap-cli
             ```
 
+            **Homebrew**
+            ```bash
+            brew install mistricky/tap/CodeSnap
+            ```
+
             Of course, you can install CodeSnap manually by downloading the following binaries.
 
             ${{steps.build_changelog.outputs.changelog}}

README.md

@@ -27,9 +27,19 @@ CodeSnap provide two ways to use it, you can use it as a CLI tool or as a librar
 ### CLI
 For CLI tool, you can install it via `cargo`:
 
+**Cargo**
 ```bash
 cargo install codesnap-cli
+```
+
+**Homebrew**
+```bash
+brew install mistricky/tap/CodeSnap
+```
+
+Use `codesnap` command to generate code snapshot:
 
+```bash
 # Run codesnap to generate code snapshot by providing code file
 codesnap -f ./code_snippet.hs -o "./output.png"