chore: add some dx configs (#650)

* chore: add some dx configs

* fix: update configs

Co-authored-by: Peer Richelsen <peeroke@gmail.com>

.eslintignore

@@ -0,0 +1 @@
+node_modules

.npmrc

@@ -0,0 +1,2 @@
+# used in tandem with package.json engine to only enable yarn
+engine-strict=true

.nvmrc

@@ -0,0 +1 @@
+14.17

.prettierignore

@@ -4,3 +4,12 @@ public
 **/**/node_modules
 **/**/.next
 **/**/public
+
+*.lock
+*.log
+
+.gitignore
+.npmignore
+.prettierignore
+.DS_Store
+.eslintignore

.vercelignore

@@ -0,0 +1 @@
+.github

package.json

@@ -19,7 +19,8 @@
     "prepare": "husky install"
   },
   "engines": {
-    "node": "^14.0.0"
+    "node": "14.x",
+    "yarn": ">=1.19.0 < 2.0.0"
   },
   "dependencies": {
     "@headlessui/react": "^1.4.1",