docs: move docs from wiki to docs folder & add an image for docs

docs/configuration.md

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+# Configuration
+
+Everything in websurfx can be configured through the config file located at `websurfx/config.lua`.
+
+Some of the configuration options provided in the file are stated below. These are subdivided into three categories:
+
+- Server
+- Website
+- Cache
+
+## Server
+
+- **port:** Port number on which server should be launched.
+- **binding_ip_addr:** IP address on the which server should be launched.
+
+## Website
+
+- **colorscheme:** The colorscheme name which should be used for the website theme (the name should be in accordance to the colorscheme file name present in `public/static/colorschemes` folder).
+
+> By Default we provide 9 colorschemes to choose from these are:
+>
+> 1. catppuccin-mocha
+> 2. dracula
+> 3. monokai
+> 4. nord
+> 5. oceanic-next
+> 6. solarized-dark
+> 7. solarized-light
+> 8. tomorrow-night
+> 9. gruvbox-dark
+
+- **theme:** The theme name which should be used for the website (again, the name should be in accordance to the theme file name present in `public/static/themes` folder).
+
+> By Default we provide 1 theme to choose from these are:
+>
+> 1. simple
+
+## Cache
+
+- **redis_connection_url:** Redis connection url address on which the client should connect on.
+
+[⬅️  Go back to Home](https://github.com/neon-mmd/websurfx/wiki).