fix: update ESLint and VS Code settings

- Configure ESLint to ignore node_modules
- Add VS Code settings for Java diagnostics

This fixes the Android build issues and improves the development
environment by properly ignoring node_modules in linting and
diagnostics.

.eslintrc.js

@@ -4,6 +4,12 @@ module.exports = {
     node: true,
     es2022: true,
   },
+  ignorePatterns: [
+    'node_modules/',
+    'dist/',
+    'dist-electron/',
+    '*.d.ts'
+  ],
   extends: [
     "plugin:vue/vue3-recommended",
     "eslint:recommended",