How to customize your messaging app with themes and templates in Messagenius (Flutter version)?

Step 1: Navigate to the Settings menu within the app.
Step 2: Select Themes & Templates from the customization options.
Step 3: Browse the available themes and templates, choosing the one that best suits your preferences.
Step 4: Apply the theme or template, and your app will instantly update with the new design.
Step 5: Customize additional elements such as fonts, colors, and layout preferences if applicable.