feat(blog): Start SSR performance article (#692)

* feat(blog): Start SSR performance article

* ci: apply automated fixes

* update

* ci: apply automated fixes

* references, title

* ci: apply automated fixes

* titles

* ELU graphs

* progress

* autofix

* more images

* better delete example

* add ELU reference

* clearer results table

* fix references

* cleanup

* last flamegraph

* measurements explanations

* todos + theoretical maximum explanation

* ci: apply automated fixes

* minor adjustments

* use our own numbers, and fixes

* rephrase

* rules of hooks callout

* remove repetition

* add explanations to flamegraph comparisons

* ci: apply automated fixes

* better image & desc for server-only fast path

* new title

* rename files to new title

* header img

* comment

* minor corrections

* update header image

* cleanup todos, link matteos article, latest numbers

* tune up methodology section

* nitpicks

* adjust meta

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Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

Author: Sheraff