docs: add Homebrew installation instructions

Author: esadek

README.md

@@ -38,6 +38,12 @@ Install with [Cargo](https://doc.rust-lang.org/cargo/):
 cargo install databow
 ```
 
+Install with [Homebrew](https://brew.sh/):
+
+```sh
+brew install columnar-tech/tap/databow
+```
+
 ## Getting Started
 
 Install the DuckDB ADBC driver with [dbc](https://docs.columnar.tech/dbc/):

docs/installation.md

@@ -43,6 +43,14 @@ Install from [crates.io](https://crates.io/crates/databow):
 cargo install databow
 ```
 
+## Homebrew
+
+Install with [Homebrew](https://brew.sh/):
+
+```sh
+brew install columnar-tech/tap/databow
+```
+
 ## Source
 
 Install from source: