valid-module: bin.ts is not runnable from unpkg

[balupton]

> deno run https://unpkg.com/valid-module@^1.6.0/edition-deno/bin.ts
Download https://unpkg.com/valid-module@^1.6.0/edition-deno/bin.ts
Download https://unpkg.com/valid-module@1.6.0/edition-deno/bin.ts
Download https://unpkg.com/valid-module@1.6.0/edition-deno/node.ts
Download https://unpkg.com/valid-module@1.6.0/edition-deno/index.js
error: Import 'https://unpkg.com/valid-module@1.6.0/edition-deno/index.js' failed: 404 Not Found

[balupton]

fixed in v0.8.1 however deno's proxy layer still doesn't support what is used in node.ts which is used by bin.ts, so will leave open for a few days while I think about this

could do a manual deno edition option for this package (#8)