add tsconfig for dev tools

Author: lobsterkatie

tsconfig.dev.json

@@ -0,0 +1,6 @@
+// TODO This should eventually end up as the tsconfig for a dev-utils package
+{
+  "extends": "./tsconfig.json",
+
+  "include": ["**/scripts/**/*.ts"],
+}

tsconfig.json

@@ -1,10 +1,6 @@
 {
   "extends": "./packages/typescript/tsconfig.json",
 
-  // include scripts here because their TS config isn't package-specific, and they need to be included in a tsconfig
-  // file to be linted
-  "include": ["**/scripts/**/*.ts"],
-
   "compilerOptions": {
     // TODO: turn these on once we switch to only generating types once, using `tsconfig.types.json`
     // "declaration": false,