feat(fonts): introduce custom font settings #22

- Add a new section titled "Font Styles" or simply "Fonts" in the GPThemes customization settings, providing users with extended font customization options.

Changes summary:
- Introduced a dedicated "Font Styles" or "Fonts" section within the GPThemes customization settings, empowering users to personalize various font aspects, such as style, size, and family, to align with their preferences and enhance readability.

build/dev/chromium-mv3/manifest.json

@@ -0,0 +1 @@
+{"manifest_version":3,"version":"3.0.1","name":"GPThemes - ChatGPT Customization","description":"Transform ChatGPT's user interface with customisable accent colours, modern designs and chat bubbles.","author":"itsmarta","homepage_url":"https://github.com/itsmartashub/GPThemes","host_permissions":["https://chat.openai.com/*","https://chatgpt.com/*","https://chat.openai.com/*","https://chatgpt.com/*"],"icons":{"16":"16.cfcaa3f7.png","19":"19.94c32be9.png","32":"32.f6c985db.png","38":"38.465b3cce.png","48":"48.a7e4970f.png","128":"128.ee4986ae.png"},"content_scripts":[{"matches":["https://chat.openai.com/*","https://chatgpt.com/*"],"js":["content.12730647.js","autoreload.22c9c2aa.js"],"css":["sass.2dac1bb6.css"],"run_at":"document_end"}],"permissions":["storage","scripting"],"content_security_policy":{"extension_pages":"script-src 'self' http://localhost:*;object-src 'self';"},"background":{"service_worker":"default-bg.5246fffe.js"}}