readme placeholders for packages

packages/vue-server-renderer/README.md

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+# vue-server-renderer
+
+> This package is auto-generated. For pull requests please see `src/entries/web-server-renderer.js`
+
+Documentation coming soon.

packages/vue-template-compiler/README.md

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+# vue-template-compiler
+
+> This package is auto-generated. For pull requests please see `src/entries/web-compiler.js`
+
+Documentation coming soon.