Refactor theme colors and styles; remove unused favicon; update translations and layouts

- Deleted unused favicon file.
- Updated Tailwind CSS configuration to redefine primary and secondary colors.
- Adjusted button styles in CSS to use new color definitions.
- Removed English translations and added French translations for various UI elements.
- Created new layouts for features and updated existing layouts to reflect new design.
- Modified header and CTA components to use updated color scheme.
- Cleaned up pricing table shortcode to align with new styles.
- Updated theme metadata to reflect new author and project details.

themes/chill-theme/tailwind.config.js

@@ -5,28 +5,28 @@ module.exports = {
     extend: {
       colors: {
         primary: {
-          50: '#eef1fc',
-          100: '#dde3f9',
-          200: '#bbc7f3',
-          300: '#99abec',
-          400: '#778fe6',
-          500: '#5573df',
-          600: '#425ad6',
-          700: '#3548ab',
-          800: '#283680',
-          900: '#1b2456',
+          50:  "#fffbfa",
+          100: "#fcd7ca",
+          200: "#f9b29a",
+          300: "#f78d69",
+          400: "#f46839", // couleur principale
+          500: "#ed450d",
+          600: "#bd370a",
+          700: "#8c2908",
+          800: "#5c1b05",
+          900: "#2c0d02",
         },
         secondary: {
-          50: '#faf5ff',
-          100: '#f3e8ff',
-          200: '#e9d5ff',
-          300: '#d8b4fe',
-          400: '#c084fc',
-          500: '#a855f7',
-          600: '#9333ea',
-          700: '#7e22ce',
-          800: '#6b21a8',
-          900: '#581c87',
+          50:  "#ddeef6",   
+          100: "#8ec6df",   
+          200: "#3e9fc9",   
+          300: "#23627e",  
+          400: "#0d242e", // couleur principale  
+          500: "#020506",   
+          600: "#000",      
+          700: "#000",      
+          800: "#000",      
+          900: "#000",      
         },
       },
       fontFamily: {