fix: use jsonc for code block with comments

Hiro5409 · Hiro5409 · commit 34fa0c808598 · 2026-03-18T21:42:25.000+09:00
diff --git a/README.md b/README.md
@@ -17,7 +17,7 @@ message), implemented as a native Deno lint plugin.
 
 Requires Deno 2.2.0 or newer.
 
-```json
+```jsonc
 // deno.json
 {
   "lint": {

Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,7 @@ message), implemented as a native Deno lint plugin.`
`17`	`17`
`18`	`18`	`Requires Deno 2.2.0 or newer.`
`19`	`19`
`20`		-```json
	`20`	+```jsonc
`21`	`21`	`// deno.json`
`22`	`22`	`{`
`23`	`23`	`"lint": {`