Fix issue 73

fixed the documentation for all of the chemistry software (minus molpro), machine-learning/tensorflow and introduction, lang/python, numlang/matlab and octave

found issues added as comments in the markdown source code

docs.it4i/software/numerical-languages/matlab.md

@@ -288,6 +288,7 @@ You can also use Parallel Toolbox on UV2000. Use [local cluster mode][4], the "S
 [4]: #parallel-matlab-batch-job-in-local-mode
 
 [a]: https://www.mathworks.com/help/parallel-computing/release-notes.html
+[b]: https://www.e-infra.cz/en
 
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 2021-04-08