move to yarn v2

.editorconfig

@@ -0,0 +1,10 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.{js,json,yml}]
+charset = utf-8
+indent_style = space
+indent_size = 2

.gitattributes

@@ -0,0 +1,4 @@
+/.yarn/**            linguist-vendored
+/.yarn/releases/*    binary
+/.yarn/plugins/**/*  binary
+/.pnp.*              binary linguist-generated

.gitignore

@@ -8,6 +8,7 @@ dist
 
 # Node dependencies
 node_modules
+.yarn
 
 # Logs
 logs

.npmrc

@@ -1 +0,0 @@
-@drop:registry=https://lab.deepcore.dev/api/v4/projects/57/packages/npm/

.yarnrc.yml

@@ -0,0 +1,4 @@
+nodeLinker: node-modules
+npmScopes:
+  drop:
+    npmRegistryServer: "https://lab.deepcore.dev/api/v4/projects/57/packages/npm/"

package.json

@@ -52,5 +52,5 @@
     "@drop/droplet-linux-x64-gnu": "^0.7.0",
     "@drop/droplet-win32-x64-msvc": "^0.7.0"
   },
-  "packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
+  "packageManager": "yarn@4.5.1"
 }