feat: Implement the promoter event creation

- Promoter can now create an event in draft mode
- Place is found based on address and long/lat are automatically
  deducted from it
- Slug is forged using the *slug* npm package instead of custom code

tailwind.config.js

@@ -9,6 +9,21 @@ module.exports = {
     "./app/views/**/*.{erb,haml,html,slim}",
     "./app/components/**/*.{erb,haml,html,slim,js}",
   ],
-  theme: {},
+  theme: {
+    extend: {
+      colors: {
+        "brand-primary": "#667eea",
+        "brand-secondary": "#764ba2",
+        "brand-accent": "#facc15",
+      },
+      fontFamily: {
+        sans: ["Inter", "system-ui", "sans-serif"],
+        display: ["DM Sans", "system-ui", "sans-serif"],
+      },
+      backgroundImage: {
+        "gradient-primary": "linear-gradient(135deg, #667eea 0%, #764ba2 100%)",
+      },
+    },
+  },
   plugins: [require("tailwindcss-animate")],
 };