Revert "Add yet-another-react-lightbox package and update .gitignore to exclude node_modules"

This reverts commit c92f4a5edd.

frontend/node_modules/preact/test-utils/package.json

@@ -0,0 +1,28 @@
+{
+	"name": "test-utils",
+	"amdName": "preactTestUtils",
+	"version": "0.1.0",
+	"private": true,
+	"description": "Test-utils for Preact",
+	"main": "dist/testUtils.js",
+	"module": "dist/testUtils.module.js",
+	"umd:main": "dist/testUtils.umd.js",
+	"source": "src/index.js",
+	"license": "MIT",
+	"types": "src/index.d.ts",
+	"peerDependencies": {
+		"preact": "^10.0.0"
+	},
+	"mangle": {
+		"regex": "^_"
+	},
+	"exports": {
+		".": {
+			"types": "./src/index.d.ts",
+			"browser": "./dist/testUtils.module.js",
+			"umd": "./dist/testUtils.umd.js",
+			"import": "./dist/testUtils.mjs",
+			"require": "./dist/testUtils.js"
+		}
+	}
+}