docs: fix spelling of GitHub

docs/src/index.md

@@ -15,13 +15,13 @@ for easy extension and customization.
 # TODO: cleanup the "About" section, and integrate it here
 ```
 
-Check out the following Github repositories for more information:
+Check out the following GitHub repositories for more information:
 
 - [IESopt.jl](https://github.com/ait-energy/IESopt.jl), the core model (a Julia package).
 - [iesopt-py](https://github.com/ait-energy/iesopt-py), the Python interface.
 
 !!! danger "Moving to open-source"
-    We are currently working (hard) on getting IESopt fully open-source on Github, which requires some clean-up of
+    We are currently working (hard) on getting IESopt fully open-source on GitHub, which requires some clean-up of
     (potentially) confindential left-overs (e.g., from projects). Meanwhile, a lot of internals are changing (after
     staying fixed for a long time), and the documentation needs to be checked page-by-page. If you are trying to
     get started before we manage to fix everything, get in touch with us directly - we'll help you set up everything you

docs/src/pages/dev_docs.md

@@ -84,7 +84,7 @@ The following set of extensions may be helpful, either for development or docume
 - [Julia](https://marketplace.visualstudio.com/items?itemName=julialang.language-julia)
 - [Live Preview](https://marketplace.visualstudio.com/items?itemName=ms-vscode.live-server)
 - [Markdown Julia](https://marketplace.visualstudio.com/items?itemName=colinfang.markdown-julia)
-- [Markdown Preview Github Styling](https://marketplace.visualstudio.com/items?itemName=bierner.markdown-preview-github-styles)
+- [Markdown Preview GitHub Styling](https://marketplace.visualstudio.com/items?itemName=bierner.markdown-preview-github-styles)
 - [markdownlint](https://marketplace.visualstudio.com/items?itemName=DavidAnson.vscode-markdownlint)
 - [Rainbow CSV](https://marketplace.visualstudio.com/items?itemName=mechatroner.rainbow-csv)