added dotenv-webpack, vue.config.js + version to footer

yarn.lock

@@ -4034,6 +4034,7 @@ __metadata:
     babel-eslint: ^10.1.0
     bootstrap: ^5.1.2
     core-js: ^3.18.2
+    dotenv-webpack: ^7.0.3
     echarts: ^5.2.1
     eslint: ^6.8.0
     eslint-plugin-vue: ^7.19.1
@@ -4618,6 +4619,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"dotenv-defaults@npm:^2.0.2":
+  version: 2.0.2
+  resolution: "dotenv-defaults@npm:2.0.2"
+  dependencies:
+    dotenv: ^8.2.0
+  checksum: c005960bd048e2189c4799e729c41f362e415e6e0b54313d3f31e853a84b049bf770b25cb21c112c2805bb13a8376edc9de451fb514abf8546392d327c27f6e5
+  languageName: node
+  linkType: hard
+
 "dotenv-expand@npm:^5.1.0":
   version: 5.1.0
   resolution: "dotenv-expand@npm:5.1.0"
@@ -4625,6 +4635,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"dotenv-webpack@npm:^7.0.3":
+  version: 7.0.3
+  resolution: "dotenv-webpack@npm:7.0.3"
+  dependencies:
+    dotenv-defaults: ^2.0.2
+  peerDependencies:
+    webpack: ^4 || ^5
+  checksum: d80dcbebe3b9e8f6251b3eb15647bb647bf358172ff21d2eaa4bb012afc9eaa7f4ba6c452f2dafd40afc96474e8c7ffbd21f0a2896eec244eff59a79e32c7716
+  languageName: node
+  linkType: hard
+
 "dotenv@npm:^8.2.0":
   version: 8.6.0
   resolution: "dotenv@npm:8.6.0"