feat: add jsconfig.json for base template (vuejs#102)

Author: GraxMonzo

template/base/jsconfig.json

@@ -0,0 +1,8 @@
+{
+  "compilerOptions": {
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "exclude": ["node_modules", "dist"]
+}