check description

+ key-derivation/getPairFromPrivate()
M key-derivation/generateKeypair to use class Key
+ class Key for interop between different zkl modules

.prettierrc

@@ -0,0 +1,7 @@
+{
+  "semi": true,
+  "singleQuote": false,
+  "tabWidth": 2,
+  "bracketSpacing": true,
+  "trailingComma": "none"
+}