Add tsconfig which allows javascript files.

Reltre · Reltre · commit 41489179e906 · 2018-10-26T14:17:52.000-07:00
diff --git a/js-and-ts/tsconfig.json b/js-and-ts/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "outDir": "./built",
+    "sourceMap": true,
+    "allowJs": true,
+    "target": "es6"
+  },
+  "include": [
+      "./**/*"
+  ]
+}
