Add missing copyright headers

[necolas]

No description provided.

[github-actions]

workflow: benchmarks/size

Comparison of minified (terser) and compressed (brotli) size results, measured in bytes. Smaller is better.

Results	Base	Patch	Ratio
react-strict-dom/dist/dom/index.js
· compressed	2,488	2,488	1.00
· minified	8,586	8,586	1.00
react-strict-dom/dist/dom/runtime.js
· compressed	850	850	1.00
· minified	2,404	2,404	1.00
react-strict-dom/dist/native/index.js
· compressed	15,651	15,651	1.00
· minified	58,387	58,387	1.00

[github-actions]

workflow: benchmarks/perf (native)

Comparison of performance test results, measured in operations per second. Larger is better.

Results	Base	Patch	Ratio
css.create
· small	1,151,470	1,139,713	0.99	-
· small with units	450,573	451,391	1.00	+
· small with variables	676,787	675,314	1.00	-
· several small	330,552	326,754	0.99	-
· large	213,937	216,933	1.01	+
· large with polyfills	149,827	150,764	1.01	+
· complex	103,266	103,364	1.00	+
· unsupported	225,118	224,799	1.00	-
css.createTheme
· simple theme	218,628	222,051	1.02	+
· polyfill theme	208,436	208,652	1.00	+
css.props
· small	246,372	249,713	1.01	+
· small with units	190,923	193,466	1.01	+
· small with variables	106,394	107,195	1.01	+
· small with variables of units	75,716	76,377	1.01	+
· large	105,210	107,034	1.02	+
· large with polyfills	37,637	37,861	1.01	+
· complex	23,955	24,343	1.02	+
· unsupported	147,564	149,399	1.01	+
· simple merge	163,601	165,501	1.01	+
· wide merge	18,315	18,584	1.01	+
· deep merge	17,934	18,158	1.01	+
· themed merge	32,441	32,425	1.00	-