Update structuring-your-spaces-tree.md to add note about inheritance

[akmal-spacelift]

internal ref: https://spacelift-io.slack.com/archives/C04DN9U2S2F/p1724209640184099?thread_ts=1724208334.895539&cid=C04DN9U2S2F

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[akmal-spacelift]

updated to fix the link