chore: add prepare script for github ref installs

- Add pnpm as devDependency so it's available during prepare
- Add prepare script that runs pnpm build

Author: ericsampson

package.json

@@ -1,44 +1,46 @@
 {
-    "name": "@ampcode/svelte-check-daemon",
-    "publisher": "ampcode",
-    "description": "A daemon for svelte-check that caches results for faster type checking",
-    "version": "0.1.0",
-    "packageManager": "pnpm@10.24.0",
-    "license": "Apache-2.0",
-    "type": "module",
-    "bin": {
-        "svelte-check-daemon": "./bin/svelte-check-daemon.js"
-    },
-    "exports": {
-        ".": {
-            "types": "./dist/src/index.d.ts",
-            "import": "./dist/src/index.js"
-        }
-    },
-    "repository": {
-        "type": "git",
-        "url": "https://github.com/ampcode/svelte-check-daemon"
-    },
-    "bugs": {
-        "url": "https://github.com/ampcode/svelte-check-daemon/issues"
-    },
-    "homepage": "https://github.com/ampcode/svelte-check-daemon",
-    "engines": {
-        "node": ">= 18.0.0"
-    },
-    "files": [
-        "bin",
-        "dist"
-    ],
-    "scripts": {
-        "build": "tsc",
-        "prepublishOnly": "pnpm build"
-    },
-    "peerDependencies": {
-        "svelte-check": ">=4.0.0"
-    },
-    "devDependencies": {
-        "@types/node": "^20.0.0",
-        "typescript": "^5.0.0"
+  "name": "@ampcode/svelte-check-daemon",
+  "publisher": "ampcode",
+  "description": "A daemon for svelte-check that caches results for faster type checking",
+  "version": "0.1.0",
+  "packageManager": "pnpm@10.24.0",
+  "license": "Apache-2.0",
+  "type": "module",
+  "bin": {
+    "svelte-check-daemon": "./bin/svelte-check-daemon.js"
+  },
+  "exports": {
+    ".": {
+      "types": "./dist/src/index.d.ts",
+      "import": "./dist/src/index.js"
     }
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/ampcode/svelte-check-daemon"
+  },
+  "bugs": {
+    "url": "https://github.com/ampcode/svelte-check-daemon/issues"
+  },
+  "homepage": "https://github.com/ampcode/svelte-check-daemon",
+  "engines": {
+    "node": ">= 18.0.0"
+  },
+  "files": [
+    "bin",
+    "dist"
+  ],
+  "scripts": {
+    "build": "tsc",
+    "prepublishOnly": "pnpm build",
+    "prepare": "pnpm build"
+  },
+  "peerDependencies": {
+    "svelte-check": ">=4.0.0"
+  },
+  "devDependencies": {
+    "@types/node": "^20.0.0",
+    "typescript": "^5.0.0",
+    "pnpm": "^10.0.0"
+  }
 }