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

This reverts commit c92f4a5edd.

frontend/node_modules/react-dropzone/.eslintrc

@@ -0,0 +1,37 @@
+{
+  "parser": "@babel/eslint-parser",
+  "parserOptions": {
+    "ecmaVersion": 2017,
+    "sourceType": "module"
+  },
+  "env": {
+    "es6": true,
+    "node": true,
+    "jest": true
+  },
+  "plugins": [
+    "import",
+    "node",
+    "prettier"
+  ],
+  "extends": [
+    "eslint:recommended",
+    "plugin:prettier/recommended"
+  ],
+  "rules": {
+    "strict": 0,
+    "node/no-unpublished-require": 0,
+    // Import
+    "import/no-extraneous-dependencies": [
+      2,
+      {
+        "devDependencies": [
+          "webpack*.js",
+          "**/*.spec.js",
+          "**/*.config.js",
+          "**/testSetup.js"
+        ]
+      }
+    ]
+  }
+}