Update links in README to include .md extension

Author: jAniceto

README.md

@@ -7,28 +7,28 @@ A collection of programming notes, snippets and examples. By José Aniceto.
 Below is a list of the most used pages.
 
 ## Python
-- [Working with uv](/programming-notes/python/uv)
-- [Simple Machine Learning workflow](/programming-notes/python/ml-workflows)
-- [Scientific quality figures](/programming-notes/python/scientific-figures)
+- [Working with uv](programming-notes/python/uv.md)
+- [Simple Machine Learning workflow](programming-notes/python/ml-workflows.md)
+- [Scientific quality figures](programming-notes/python/scientific-figures.md)
 
 
 ## MATLAB
-- [Figures in MATLAB](/matlab/figures)
-- [Preparing figures for publication](programming-notes/matlab/figures-publication)
+- [Figures in MATLAB](programming-notes/matlab/figures.md)
+- [Preparing figures for publication](programming-notes/matlab/figures-publication.md)
 
 ## GENERAL
-- [Create a Windows batch script](/general/batch-script.md)
-- [Hiding Passwords and Secret Keys in Environment Variables](/general/os-env-vars.md)
-- [Windows terminal](/general/windows-terminal.md)
+- [Create a Windows batch script](programming-notes/general/batch-script.md)
+- [Hiding Passwords and Secret Keys in Environment Variables](programming-notes/general/os-env-vars.md)
+- [Windows terminal](programming-notes/general/windows-terminal.md)
 
 ## LINUX
-- [Set `$PATH` variable in Ubuntu](/linux/path.md)
-- [Linux Crontab](/linux/crontab.md)
+- [Set `$PATH` variable in Ubuntu](programming-notes/linux/path.md)
+- [Linux Crontab](programming-notes/linux/crontab.md)
 
 ## LATEX
-- [Working with figures](/latex/figures.md)
-- [Create LaTeX presentations with Beamer](/latex/beamer.md)
-- [Derivatives](/latex/derivatives.md)
+- [Working with figures](programming-notes/latex/figures.md)
+- [Create LaTeX presentations with Beamer](programming-notes/latex/beamer.md)
+- [Derivatives](programming-notes/latex/derivatives.md)