feat: initial support for importing html from js

test/basic/snapshots/test.js.md

@@ -58,6 +58,12 @@ Generated by [AVA](https://avajs.dev).
 > Snapshot 1
 
     [
+      {
+        code: undefined,
+        fileName: 'script.body.script.js-e3b82208.js.map',
+        map: undefined,
+        source: '{"version":3,"file":"script.body.script.js-e3b82208.js","sources":["../batman.js","../script.html.body.script.js"],"sourcesContent":["export const b = ()=>\'batman\';\\nconsole.log(b());\\n","\\n            import {b} from \\"./batman.js\\";\\n            document.body.appendChild(\\n                document.createTextNode(`Inline script including ${b()}`)\\n            );\\n        "],"names":[],"mappings":"AAAO,MAAM,CAAC,GAAG,IAAI,QAAQ,CAAC;AAC9B,OAAO,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC;;ACCJ,QAAQ,CAAC,IAAI,CAAC,WAAW;AACrC,gBAAgB,QAAQ,CAAC,cAAc,CAAC,CAAC,wBAAwB,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC;AACzE,aAAa"}',
+      },
       {
         code: undefined,
         fileName: 'script.html',
@@ -71,16 +77,10 @@ Generated by [AVA](https://avajs.dev).
         document.body.appendChild(␊
                         document.createTextNode(\`Inline script including ${b()}\`)␊
                     );␊
-        //# sourceMappingURL=script.html.body.script.js-e3b82208.js.map␊
+        //# sourceMappingURL=script.body.script.js-e3b82208.js.map␊
         </script>␊
             ␊
         ␊
         </body></html>`,
       },
-      {
-        code: undefined,
-        fileName: 'script.html.body.script.js-e3b82208.js.map',
-        map: undefined,
-        source: '{"version":3,"file":"script.html.body.script.js-e3b82208.js","sources":["../batman.js","../script.html.body.script.js"],"sourcesContent":["export const b = ()=>\'batman\';\\nconsole.log(b());\\n","\\n            import {b} from \\"./batman.js\\";\\n            document.body.appendChild(\\n                document.createTextNode(`Inline script including ${b()}`)\\n            );\\n        "],"names":[],"mappings":"AAAO,MAAM,CAAC,GAAG,IAAI,QAAQ,CAAC;AAC9B,OAAO,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC;;ACCJ,QAAQ,CAAC,IAAI,CAAC,WAAW;AACrC,gBAAgB,QAAQ,CAAC,cAAc,CAAC,CAAC,wBAAwB,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC;AACzE,aAAa"}',
-      },
     ]