diff --git a/.gitattributes b/.gitattributes
index 31506c5..7de0e88 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -10,3 +10,6 @@
 *.py diff=python
 *.rb diff=ruby
 *.{scm,ss} diff=scheme
+
+*.json text
+*.yaml text linguist-vendored
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..e69de29
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..e69de29
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..f9b6774
--- /dev/null
+++ b/package.json
@@ -0,0 +1,6 @@
+{
+	"devDependencies": {
+		"prettier": "3.2.5",
+		"@prettier/plugin-ruby": "4.0.4"
+	}
+}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
new file mode 100644
index 0000000..7c114cc
--- /dev/null
+++ b/pnpm-lock.yaml
@@ -0,0 +1,39 @@
+lockfileVersion: "9.0"
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+importers:
+  .:
+    devDependencies:
+      "@prettier/plugin-ruby":
+        specifier: 4.0.4
+        version: 4.0.4(prettier@3.2.5)
+      prettier:
+        specifier: 3.2.5
+        version: 3.2.5
+
+packages:
+  "@prettier/plugin-ruby@4.0.4":
+    resolution:
+      {
+        integrity: sha512-lCpvfS/dQU5WrwN3AQ5vR8qrvj2h5gE41X08NNzAAXvHdM4zwwGRcP2sHSxfu6n6No+ljWCVx95NvJPFTTjCTg==,
+      }
+    peerDependencies:
+      prettier: ^3.0.0
+
+  prettier@3.2.5:
+    resolution:
+      {
+        integrity: sha512-3/GWa9aOC0YeD7LUfvOG2NiDyhOWRvt1k+rcKhOuYnMY24iiCphgneUfJDyFXd6rZCAnuLBv6UeAULtrhT/F4A==,
+      }
+    engines: { node: ">=14" }
+    hasBin: true
+
+snapshots:
+  "@prettier/plugin-ruby@4.0.4(prettier@3.2.5)":
+    dependencies:
+      prettier: 3.2.5
+
+  prettier@3.2.5: {}