style: audit Data Visualization

Specialized becomes Graphs and Maps for graphviz, cartopy, and graphify. Redirects the old URL.

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -561,7 +561,7 @@ _Libraries for visualizing data. Also see [awesome-javascript](https://github.co
   - [seaborn](https://github.com/mwaskom/seaborn) - Statistical data visualization using Matplotlib.
   - [altair](https://github.com/vega/altair) - Declarative statistical visualization library for Python.
   - [bokeh](https://github.com/bokeh/bokeh) - Interactive web plotting for Python.
-- Specialized
+- Graphs and Maps
   - [graphviz](https://github.com/xflr6/graphviz) - Simple Python interface for creating and rendering Graphviz graphs.
   - [cartopy](https://github.com/SciTools/cartopy) - A cartographic Python library with matplotlib support.
   - [graphify](https://github.com/Graphify-Labs/graphify) - Turns code, SQL schemas, docs, papers, images, or videos into a queryable knowledge graph.

website/data/redirects.json

@@ -9,6 +9,7 @@
   "/categories/code-analysis/code-linters/": "/categories/code-analysis/linters-and-formatters/",
   "/categories/code-analysis/type-annotations-generators/": "/categories/code-analysis/",
   "/categories/data-analysis/financial-data/": "/categories/data-ingestion-etl/financial-data/",
+  "/categories/data-visualization/specialized/": "/categories/data-visualization/graphs-and-maps/",
   "/categories/debugging-tools/others/": "/categories/debugging-tools/web-framework-toolbars/",
   "/categories/debugging-tools/pdb-like-debugger/": "/categories/debugging-tools/debuggers/",
   "/categories/devops-tools/other/": "/categories/devops-tools/backup/",