chore: prompt users to go to discord for hive key

quickstart.ps1

@@ -1390,6 +1390,9 @@ if ($SubscriptionMode -eq "hive_llm") {
             Write-Host ""
             $apiKey = Read-Host "Paste a new Hive API key (or press Enter to keep current)"
         } else {
+            Write-Host ""
+            Write-Host "  Get your API key from: " -NoNewline
+            Write-Color -Text "https://discord.com/invite/hQdU7QDkgR" -Color Cyan
             Write-Host ""
             $apiKey = Read-Host "Paste your Hive API key (or press Enter to skip)"
         }

quickstart.sh

@@ -1145,7 +1145,7 @@ case $choice in
         SELECTED_MAX_CONTEXT_TOKENS=120000
         SELECTED_API_BASE="$HIVE_LLM_ENDPOINT"
         PROVIDER_NAME="Hive"
-        SIGNUP_URL="https://adenhq.com"
+        SIGNUP_URL="https://discord.com/invite/hQdU7QDkgR"
         echo ""
         echo -e "${GREEN}⬢${NC} Using Hive LLM"
         echo ""