pack: reconfigure .gitignore files and settings for IntelliJ products, Visual Studio Code IDE

.idea/jsLinters/eslint.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="EslintConfiguration">
+    <files-pattern value="{**/*,*}.{js,ts,jsx,tsx,html,vue,mts}" />
+    <option name="fix-on-save" value="true" />
+  </component>
+</project>