Update URLs, Docker config, and Tailwind setup

Added static and media file serving and Silk profiling in Django URLs. Updated docker-compose to mount backend/frontend code, adjust commands, and switch to 'trznice' app references. Enhanced Tailwind config to extend default colors and import defaultTheme.

frontend/tailwind.config.js

@@ -1,3 +1,5 @@
+import defaultTheme from 'tailwindcss/defaultTheme'
+
 /** @type {import('tailwindcss').Config} */
 export default {
   content: [
@@ -18,6 +20,9 @@ export default {
         brandGlass: 'linear-gradient(180deg, color-mix(in hsl, var(--c-background-light), transparent 30%), color-mix(in hsl, black, transparent 70%))'
       },
       colors: {
+        // Keep all default Tailwind colors (including yellow)
+        ...defaultTheme.colors,
+        // Add your custom brand colors
         brand: {
           bg: 'var(--c-background)',
           bgLight: 'var(--c-background-light)',