feat: Add README, refactor Cryptomus feature flag to use environment variable, and include GitHub link in header.

src/app/page.tsx

@@ -1,5 +1,6 @@
 import { RepoHubApp } from '@/components/RepoHubApp'
 
 export default function HomePage() {
-  return <RepoHubApp />
+  const cryptomusEnabled = process.env.CRYPTOMUS_ENABLED !== 'false'
+  return <RepoHubApp cryptomusEnabled={cryptomusEnabled} />
 }

src/components/Header.tsx

@@ -5,29 +5,17 @@ import { Button } from '@/components/ui/button'
 import { useTheme } from '@/hooks/useTheme'
 import { useLocale } from '@/contexts/LocaleContext'
 import { SupportModal } from '@/components/SupportModal'
-import { Sun, Moon, Monitor, Globe, Heart } from 'lucide-react'
+import { Sun, Moon, Monitor, Globe, Heart, Github } from 'lucide-react'
 import Image from 'next/image'
 
-export function Header() {
+export interface HeaderProps {
+  cryptomusEnabled: boolean
+}
+
+export function Header({ cryptomusEnabled }: HeaderProps) {
   const { theme, isDark, toggleTheme } = useTheme()
   const { locale, toggleLocale, t } = useLocale()
   const [isSupportModalOpen, setIsSupportModalOpen] = useState(false)
-  const [cryptomusEnabled, setCryptomusEnabled] = useState(true)
-
-  useEffect(() => {
-    const checkCryptomusStatus = async () => {
-      try {
-        const response = await fetch('/api/support/status', { cache: 'no-store' })
-        const data = await response.json()
-        setCryptomusEnabled(data.cryptomus_enabled)
-      } catch (error) {
-        // Default to enabled if check fails
-        setCryptomusEnabled(true)
-      }
-    }
-
-    checkCryptomusStatus()
-  }, [])
 
   const getThemeIcon = () => {
     switch (theme) {
@@ -85,6 +73,25 @@ export function Header() {
               </Button>
             )}
 
+            {/* GitHub Link */}
+            <Button
+              variant="ghost"
+              size="sm"
+              asChild
+              className="w-full justify-start"
+            >
+              <a
+                href="https://github.com/yusufipk/RepoHub"
+                target="_blank"
+                rel="noopener noreferrer"
+              >
+                <Github className="h-4 w-4" />
+                <span className="ml-2 hidden sm:inline">
+                  GitHub
+                </span>
+              </a>
+            </Button>
+
             {/* Theme Toggle */}
             <Button
               variant="ghost"

src/components/RepoHubApp.tsx

@@ -11,7 +11,7 @@ import { generateScript } from '@/lib/scriptGenerator'
 import { useLocale } from '@/contexts/LocaleContext'
 import { Platform, Package, SelectedPackage, FilterOptions, GeneratedScript } from '@/types'
 
-function RepoHubAppContent() {
+function RepoHubAppContent({ cryptomusEnabled }: { cryptomusEnabled: boolean }) {
   const { t, locale } = useLocale()
   const [selectedPlatform, setSelectedPlatform] = useState<Platform | null>(null)
   const [selectedPackages, setSelectedPackages] = useState<SelectedPackage[]>([])
@@ -61,8 +61,8 @@ function RepoHubAppContent() {
 
   return (
     <div key={locale} className="min-h-screen bg-gradient-to-br from-blue-50 to-indigo-100 dark:from-gray-900 dark:to-gray-800">
-      <Header />
-      
+      <Header cryptomusEnabled={cryptomusEnabled} />
+
       <div className="container mx-auto px-4 py-8">
         {/* Header */}
         <div className="text-center mb-8">
@@ -116,10 +116,10 @@ function RepoHubAppContent() {
   )
 }
 
-export function RepoHubApp() {
+export function RepoHubApp({ cryptomusEnabled }: { cryptomusEnabled: boolean }) {
   return (
     <LocaleProvider>
-      <RepoHubAppContent />
+      <RepoHubAppContent cryptomusEnabled={cryptomusEnabled} />
     </LocaleProvider>
   )
 }