Add Parcels conceptual workflow v4 and docs emojis #1954

Job	Run time
cache-pixi-lock / Generate output	15s
Unit tests: ubuntu \| pixi run -e test-py313 tests	3m 35s
Unit tests: windows \| pixi run -e test-latest tests	8m 19s
Unit tests: ubuntu \| pixi run -e test-latest tests	3m 55s
Unit tests: ubuntu \| pixi run -e test-minimum tests	3m 41s
Unit tests: ubuntu \| pixi run -e test-py311 tests	3m 44s
TypeChecking: pixi run typing	0s
Integration: ${{ matrix.os }} \| pixi run -e ${{ matrix.pixi-environment }} tests-notebooks	0s
merge-test-artifacts	0s
	23m 29s

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