suggestions for updates to itemgraph guide

[jyaistMap]

@nparavicini7

• some suggested edits, like adding an Introduction, small grammatical stuff, bullet points in one place, and hyperlinks

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[nparavicini7]

On board with all of the wording changes, but clicking all of those hyperlinks you added lead me to 404 github pages- I'm a bit confused by that, especially the ones that just go github.com/python. Is that intentional? Will that be smoothed over during the build later?

[jyaistMap]

hey @nparavicini7 - The best format for hyperlinks according to the Dev Website team is to use relative paths as I did with those. They don't properly work in a local environment, but through the Gatsby application they do. Going from guide to guide is one format; going from guide to sample is another. It is a bit confusing - but those formats work.