chore: bump version to 0.3.0 and add brew install

New features in this release:
- CSR graph caching for 2x algorithm speedup
- Bulk insert operations for 100-500x faster graph construction
- Now available via `brew install graphqlite`

Author: Dylan Storey

README.md

@@ -12,6 +12,7 @@ Store and query graph data directly in SQLite—combining the simplicity of a si
 ## Installation
 
 ```bash
+brew install graphqlite       # macOS/Linux (Homebrew)
 pip install graphqlite        # Python
 cargo add graphqlite          # Rust
 ```

bindings/python/src/graphqlite/__init__.py

@@ -8,7 +8,7 @@
 from .utils import escape_string, sanitize_rel_type, CYPHER_RESERVED
 from ._platform import get_loadable_path
 
-__version__ = "0.2.1"
+__version__ = "0.3.0"
 __all__ = [
     "BulkInsertResult",
     "Connection", "connect", "wrap", "load", "loadable_path",

bindings/rust/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "graphqlite"
-version = "0.2.1"
+version = "0.3.0"
 edition = "2021"
 description = "SQLite extension for graph queries using Cypher"
 license = "MIT"