docs: update installation instructions

README.md

@@ -12,10 +12,10 @@ $ pip install phable
 
 Phable uses the `zoneinfo` module for IANA time zone support, which by default uses the system's time zone data if available.  If no system time zone data is available, then Phable requires the `tzdata` package available on PyPI to be installed.
 
-Phable has an optional `pandas` package dependency that is required for `phable.Grid.to_pandas()` and `phable.Grid.to_pandas_all()`.  Download Phable with `pandas` from PyPI using:
+Phable has optional `pandas` and `pyarrow` package dependencies that are required for `phable.Grid.to_pandas()` and `phable.Grid.to_pandas_all()`.  Download Phable with `pandas` and `pyarrow` from PyPI using:
 
 ```console
-$ pip install "phable[pandas]"
+$ pip install "phable[pandas,pyarrow]"
 ```
 
 Similarly, Phable has an optional `polars` package dependency that is required for `phable.Grid.to_polars()` and `phable.Grid.to_polars_all()`.  Download Phable with `polars` from PyPI using:

docs/index.md

@@ -20,4 +20,26 @@ Haxall features include:
  - Add, update, and remove commit operations
  - Evaluation of an Axon string expression
 
-Learn more about `Phable` by exploring the documentation!
+Learn more about `Phable` by exploring the documentation!
+
+## Installation
+
+Phable requires Python version 3.11 or higher and generally has no required software dependencies.  Download Phable from PyPI using:
+
+```console
+$ pip install phable
+```
+
+Phable uses the `zoneinfo` module for IANA time zone support, which by default uses the system's time zone data if available.  If no system time zone data is available, then Phable requires the `tzdata` package available on PyPI to be installed.
+
+Phable has optional `pandas` and `pyarrow` package dependencies that are required for `phable.Grid.to_pandas()` and `phable.Grid.to_pandas_all()`.  Download Phable with `pandas` and `pyarrow` from PyPI using:
+
+```console
+$ pip install "phable[pandas,pyarrow]"
+```
+
+Similarly, Phable has an optional `polars` package dependency that is required for `phable.Grid.to_polars()` and `phable.Grid.to_polars_all()`.  Download Phable with `polars` from PyPI using:
+
+```console
+$ pip install "phable[polars]"
+```