Introduce ESLint, Prettier, and NPM to the project

package.json

@@ -0,0 +1,27 @@
+{
+  "name": "deltagreen",
+  "version": "1.3.1",
+  "description": "This is a fan made but now officially supported rules implementation (system) for [Foundry Virtual Tabletop](https://foundryvtt.com/) system for Delta Green: The RPG, based on the _Agent's Handbook_ rule set from Arc Dream Publishing (_**not** the Call of Cthulu rules_).",
+  "main": "deltagreen.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/TheLastScrub/delta-green-foundry-vtt-system-unofficial.git"
+  },
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/TheLastScrub/delta-green-foundry-vtt-system-unofficial/issues"
+  },
+  "homepage": "https://github.com/TheLastScrub/delta-green-foundry-vtt-system-unofficial#readme",
+  "dependencies": {
+    "eslint": "^8.50.0",
+    "eslint-config-airbnb-base": "^15.0.0",
+    "eslint-plugin-import": "^2.28.1",
+    "eslint-plugin-prettier": "^5.0.0",
+    "eslint-config-prettier": "^9.0.0"
+  },
+  "devDependencies": {}
+}