Add `size-limit` config #1089

Job	Run time
Build and run test Suite	36s
Run local tests against build artifact (20.x)	29s
Test Published Artifact (Local) rr-rsc-context	45s
Check package config with are-the-types-wrong (20.x)	12s
Test Published Artifact cra4	1m 18s
Test Published Artifact cra5	1m 17s
Test Types with TypeScript 4.7	35s
Test Published Artifact next	59s
Test Types with TypeScript 4.8	35s
Test Published Artifact vite	57s
Test Types with TypeScript 4.9	40s
Test Published Artifact node-standard	15s
Test Types with TypeScript 5.0	40s
Test Published Artifact node-esm	14s
Test Types with TypeScript 5.1	31s
Test Published Artifact react-native	1m 11s
Test Types with TypeScript 5.2	35s
Test Published Artifact expo	1m 13s
Test Types with TypeScript 5.3	38s
Test Types with TypeScript 5.4	30s
Test Types with TypeScript 5.5	35s
	14m 45s

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