diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c003784
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+node_modules
+build
+*.js
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..aa91551
--- /dev/null
+++ b/package.json
@@ -0,0 +1,25 @@
+{
+    "name": "youtube_customizer",
+    "version": "1.0.0",
+    "description": "Changes layout of YouTube and adds QoL features.",
+    "author": "Ryze",
+    "license": "GPL-3.0-only",
+    "homepage": "https://github.com/ryze312/youtube-customizer",
+    "bugs": {
+        "url": "https://github.com/ryze312/youtube-customizer/issues"
+    },
+    "devDependencies": {
+        "@types/firefox-webext-browser": "^111.0.4"
+    },
+    "scripts": {
+        "clean": "rm -rf build",
+        "build": "pnpm run clean && mkdir build && cp -r extension build/target && tsc && web-ext build"
+    },
+    "webExt": {
+        "sourceDir": "build/target",
+        "artifactsDir": "build/dist",
+        "build": {
+            "overwriteDest": true
+        }
+    }
+}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
new file mode 100644
index 0000000..12d2222
--- /dev/null
+++ b/pnpm-lock.yaml
@@ -0,0 +1,16 @@
+lockfileVersion: '6.0'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+devDependencies:
+  '@types/firefox-webext-browser':
+    specifier: ^111.0.4
+    version: 111.0.4
+
+packages:
+
+  /@types/firefox-webext-browser@111.0.4:
+    resolution: {integrity: sha512-2XGCwr6xa2ltUys6LWRNjoU+4b0+uY/jJdjXw6sMeZPyh9yIuD49fC8lSQPMm+0wVLJXbwu+ZRPD/EK17jNoRg==}
+    dev: true
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..cd4543f
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,18 @@
+{
+    "compilerOptions": {
+        "target": "ES2022",
+        "strict": true,
+        "exactOptionalPropertyTypes": true,
+        "noImplicitReturns": true,
+        "noImplicitOverride": true,
+        "noImplicitAny": true,
+        "noUnusedLocals": true,
+        "noUnusedParameters": true,
+        "noFallthroughCasesInSwitch": true,
+        "noUncheckedIndexedAccess": true,
+        "noPropertyAccessFromIndexSignature": true,
+        "removeComments": true,
+        "outDir": "build/target",
+    },
+    "include": ["src/**/*"],
+}