Added documentation for optional dependencies

Signed-off-by: Kharude, Sachin <sachin.kharude@here.com>

Author: Kharude, Sachin

README.md

@@ -75,6 +75,12 @@ This package can be installed with `pip` or `conda` from various sources:
     pip install xyzspaces
     ```
 
+- Install from the [Python Package Index](https://pypi.org/project/xyzspaces/) with optional dependencies:
+
+    ```bash
+    pip install "xyzspaces[geo]"
+    ```
+
 - Install from its source repository on GitHub:
 
     ```bash

docs/source/install.rst

@@ -1,7 +1,7 @@
 Installation
 ============
 
-xyzspaces depends for its spatial functionality on a large geospatial, open
+xyzspaces has optional dependencies for its spatial functionality on a large geospatial, open
 source stack of libraries (`Geopandas`_, `turfpy`_). See the
 :ref:`dependencies` section below for more details. The C depedencies of Geopandas such as (`GEOS`_, `GDAL`_, `PROJ`_)
 can sometimes be a challenge to install. Therefore, we advise you
@@ -52,10 +52,15 @@ xyzspaces in it::
 Installing with pip
 -------------------
 
-xyzspaces can also be installed with pip::
+Install ``xyzspaces`` without optional dependencies::
 
     pip install xyzspaces
 
+Install ``xyzspaces`` with optional dependencies::
+
+    pip install "xyzspaces[geo]"
+
+
 .. _install-deps:
 
 .. warning::
@@ -107,6 +112,11 @@ Required dependencies:
 
 - `requirements`_
 
+Optional depedencies:
+
+- `Geopandas`_
+- `turfpy`_
+
 Dev dependencies:
 
 - `dev requirements`_

docs/source/xyzspaces._compact.rst

@@ -0,0 +1,8 @@
+xyzspaces.\_compact module
+==========================
+
+.. automodule:: xyzspaces._compact
+   :members:
+   :undoc-members:
+   :show-inheritance:
+   :private-members:

docs/source/xyzspaces.rst

@@ -24,6 +24,7 @@ Submodules
    xyzspaces.__version__
    xyzspaces.apis
    xyzspaces.auth
+   xyzspaces._compact
    xyzspaces.curl
    xyzspaces.exceptions
    xyzspaces.logconf