Change rendering for .md only #8

Job	Run time
Installation Test ubuntu-latest	10m 38s
ubuntu-22.04 (chromium - Node.js 18)	11m 51s
ubuntu-20.04 (chromium tip-of-tree)	11m 31s
Installation Test macos-latest	13m 2s
ubuntu-22.04 (firefox - Node.js 18)	25m 5s
Installation Test windows-latest	18m 4s
ubuntu-22.04 (webkit - Node.js 18)	15m 24s
VSCode Extension	15m 54s
ubuntu-22.04 (chromium - Node.js 16)	11m 57s
Test Runner (ubuntu-latest, 18, 1, 2)	13m 8s
ubuntu-22.04 (chromium - Node.js 20)	11m 37s
Web Components	1m 41s
Test Runner (ubuntu-latest, 18, 2, 2)	15m 56s
Test Runner (windows-latest, 18, 1, 2)	19m 13s
Test Runner (windows-latest, 18, 2, 2)	22m 25s
Test Runner (macos-latest, 18, 1, 2)	10m 20s
Test Runner (macos-latest, 18, 2, 2)	12m 26s
Test Runner (ubuntu-latest, 16, 1, 2)	11m 10s
Test Runner (ubuntu-latest, 16, 2, 2)	13m 38s
Test Runner (ubuntu-latest, 20, 1, 2)	11m 36s
Test Runner (ubuntu-latest, 20, 2, 2)	14m 46s
	4h 51m 22s

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