Convert copy-res to typescript

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

.eslintrc.js

@@ -19,7 +19,7 @@ module.exports = {
     },
     overrides: [
         {
-            files: ["src/**/*.{ts,tsx}", "test/**/*.{ts,tsx}"],
+            files: ["src/**/*.{ts,tsx}", "test/**/*.{ts,tsx}", "scripts/*.ts"],
             extends: ["plugin:matrix-org/typescript", "plugin:matrix-org/react"],
             // NOTE: These rules are frozen and new rules should not be added here.
             // New changes belong in https://github.com/matrix-org/eslint-plugin-matrix-org/