Major UI Update

- Bug fixes 
- Jack doesn't show as plugged in if no jack detection is configured 
- New layout
- Updated jQuery to latest version
- Updated bootstrap to latest version
- Updated the command processing backend to support UI interactions
- Added a number of accessors to normalize read/update various configuration entries 
- Added more GPIOs to the status tab GPIO list
- Added several configuration sections for hardware and system
- Removed pop-over windows from system messages
- Added a message count pill to the status tab
- Added support for message count pill based on the highest severity 
- Updated the message list table to set colours based on messages severity
- Added command processing message area close to the action buttons to provide feedback from running the commands

.gitignore

@@ -69,3 +69,29 @@ squeezelite-esp32-jsonblob.zip
 /flash_cmd.txt
 /writeSequeezeEsp.bat
 /writeSequeezeEsp.sh
+all_releases.json
+alltags.txt
+releases.json
+sdkconfig
+
+.vscode/c_cpp_properties.json
+
+.vscode/launch.json
+
+.vscode/settings.json
+
+.vscode/tasks.json
+
+components/wifi-manager/.project
+
+components/wifi-manager/.settings/.jsdtscope
+
+components/wifi-manager/.settings/org.eclipse.wst.jsdt.ui.superType.container
+
+components/wifi-manager/.settings/org.eclipse.wst.jsdt.ui.superType.name
+
+components/wifi-manager/res/backup/
+
+*.code-workspace
+
+test/.vscode/