Fixed error with credit message

Release Title: v1.4

Description

This release includes the following changes and improvements to the Python library:

New Features

• Added support for rendering sea geometries automatically.

• Added support for drawing hillshades.

• Added support for adding keypoints.

• Added frontend (streamlit) app.

Improvements

• Refactored code.
• Optimized code by making fewer requests to Overpass API.

Installation

To install this version, use the following command:

pip install prettymaps==1.4

Merged PR #129

Merged PR #130 to fix problems with osmnx >= 2.0

• Updated code for compatibility with python=3.11 and shapely=2.0
• added support for vsketch
• solved minor bugs

- Refactoring

- Simplified the usage of some features

- New features for saving, loading & updating "presets" (JSON files containing OSM and matplotlib parameter configurations)

- plot = prettymaps.plot() now outputs a "Plot" object contaning:

• geodataframes: a pandas dataframe with all the data fetched from OSM.
• ax: a matplotlib axis element; can now be used to update or add new matplotlib elements to prettymaps plot. Example plot.ax.set_title("Barcelona").
• fig: a matplotlib figure element; can now be used to update or add new matplotlib elements to prettymaps plot. Example plot.fig.patch.set_facecolor("#fff").

- Updated the examples.ipynb notebook

- Updated README with a short tutorial

Followed matthewfeickert's instructions for publishing workflow with Github Actions (see here)