docs: Amendments to AGW installation instructions

[voisey]

Summary

Some minor changes to the Install Access Gateway on Ubuntu (Bare Metal) page that I made when reading through the instructions.

Test Plan

• cd magma/docs && make precommit

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[Neudrino]

There are a lot of markdown lint errors.
Could we run the markdown --fix on it?

I.e. probably the following locally (if you already have node installed):

sudo npm install --global markdownlint-cli
markdownlint --fix docs/readmes/lte/deploy_install.md

or alternatively try to do it in the respective container as indicated in the CI.

[voisey]

There are a lot of markdown lint errors. Could we run the markdown --fix on it?

I.e. probably the following locally (if you already have node installed):

sudo npm install --global markdownlint-cli
markdownlint --fix docs/readmes/lte/deploy_install.md

or alternatively try to do it in the respective container as indicated in the CI

I'm confused as to why the Markdown lint check in the CI is passing then. Running make precommit passes for me and nothing changes when I run make precommit_fix. Shouldn't this be equivalent to what you're suggesting I run, given that the command being executed is this one https://github.com/magma/magma/blob/master/docs/readmes/Makefile#L9?

[voisey]

Hi @Neudrino, now that the linting has been fixed, could you please take another look at this?