user-guides: don't recommend remote nodes

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[nahuhh]

todo:

• fix image extension or replace with an actual png
• translations..?

[plowsof]

todo:

• translations..?

Pulled into my branch with +100k/-100k diff PR to be thrown into the memory hole when new site comes.

OR if this is security sensitive i could make a specific PR for only this as its new.

[HardenedSteel]

We should warn about there are nodes run by malicious actors which are setup solely for de-anonymizing people.

[nahuhh]

They are on p2p as well, to help defeat dandelion

https://b10c.me/observations/06-linkinglion/

[nahuhh]

Is this PR concept ok? (should i proceed with the final touches on the english page and image?)

[HardenedSteel]

when we just simply say discouraged user may wonder why, its better to include the warning I stated above imo.

the new screenshot is ok for this PR.

new PR can be made for better quality. current screenshots look blurry to me.

[nahuhh]

We should warn about there are nodes run by malicious actors which are setup solely for de-anonymizing people.

Added a warning

[plowsof]

May be too technical for users otherwise OK.

Can we improve? which are in particular? the real spends / outputs point?