fix Docstore link to be more specific

direct to correct section of author's website

README.md

@@ -1480,7 +1480,7 @@ _[Serverless computing - Wikipedia](https://en.wikipedia.org/wiki/Serverless_com
 
 _Related: [Static site generators](#static-site-generators)_
 
-- [Docstore](http://haldean.org/) - Static document hosting without any server-side processing, does not require you to recompile every time you change an article. Clone the repository and add articles in the text/ directory to get started. ([Source Code](https://github.com/haldean/docstore)) `BSD-3-Clause` `Javascript`
+- [Docstore](https://git.haldean.org/docstore/) - Static document hosting without any server-side processing, does not require you to recompile every time you change an article. Clone the repository and add articles in the text/ directory to get started. ([Source Code](https://github.com/haldean/docstore)) `BSD-3-Clause` `Javascript`
 - [Flatdoc](http://ricostacruz.com/flatdoc/) - Small Javascript file that fetches Markdown files and renders them as full pages. `MIT` `Javascript`
 - [markdown-tree](https://github.com/mil/markdown-tree) - Serve a hierarchy / tree directory of markdown files. Use intended for small sites built in markdown. `MIT` `Ruby`
 - [Read the Docs](https://readthedocs.org/) - Host documentation, making it fully searchable and easy to find; import your docs using any major version control system, including Mercurial, Git, Subversion, and Bazaar. ([Demo](https://readthedocs.org/projects/), [Source Code](https://github.com/readthedocs/readthedocs.org)) `MIT` `Python`