feat(init): add initial project scaffolding and database schema

- Add Dockerfile for multi-stage production build
- Add Drizzle configuration and initial migration for PostgreSQL schema
- Add project configuration files (.prettierrc, .prettierignore, .dockerignore)
- Define core database tables: assets, memberships, site_settings

src/routes/login/+page.svelte

@@ -0,0 +1,93 @@
+<script lang="ts">
+	import { createAuthClient } from 'better-auth/svelte';
+
+	const authClient = createAuthClient();
+
+	async function handleDiscordLogin() {
+		await authClient.signIn.social({
+			provider: 'discord',
+			callbackURL: '/'
+		});
+	}
+</script>
+
+<svelte:head>
+	<title>Login — The Collective Hub</title>
+</svelte:head>
+
+<div class="login-container">
+	<h1>Login</h1>
+	<p>Sign in to access the admin panel and manage your site.</p>
+
+	<button class="discord-btn" onclick={handleDiscordLogin}>
+		<svg
+			xmlns="http://www.w3.org/2000/svg"
+			viewBox="0 0 127.14 96.36"
+			width="24"
+			height="24"
+			fill="currentColor"
+		>
+			<path
+				d="M107.7,8.07A105.15,105.15,0,0,0,81.47,0a72.06,72.06,0,0,0-3.36,6.83A97.68,97.68,0,0,0,49,6.83,72.37,72.37,0,0,0,45.64,0,105.89,105.89,0,0,0,19.39,8.09C2.79,32.65-1.71,56.6.54,80.21h0A105.73,105.73,0,0,0,32.71,96.36,77.7,77.7,0,0,0,39.6,85.25a68.42,68.42,0,0,1-10.85-5.18c.91-.66,1.8-1.34,2.66-2a75.57,75.57,0,0,0,64.32,0c.87.71,1.76,1.39,2.66,2a68.68,68.68,0,0,1-10.87,5.19,77,77,0,0,0,6.89,11.1A105.25,105.25,0,0,0,126.6,80.22h0C129.24,52.84,122.09,29.11,107.7,8.07ZM42.45,65.69C36.18,65.69,31,60,31,53s5-12.74,11.43-12.74S54,46,53.89,53,48.84,65.69,42.45,65.69Zm42.24,0C78.41,65.69,73.25,60,73.25,53s5-12.74,11.44-12.74S96.23,46,96.12,53,91.08,65.69,84.69,65.69Z"
+			/>
+		</svg>
+		Login with Discord
+	</button>
+
+	<p class="help-text">
+		You must be an approved member of this site to access the admin panel.
+	</p>
+</div>
+
+<style>
+	.login-container {
+		display: flex;
+		flex-direction: column;
+		align-items: center;
+		justify-content: center;
+		min-height: 60vh;
+		text-align: center;
+		padding: 2rem;
+		font-family: system-ui, sans-serif;
+	}
+
+	h1 {
+		font-size: 2rem;
+		margin-bottom: 0.5rem;
+	}
+
+	p {
+		color: #888;
+		margin-bottom: 1.5rem;
+		max-width: 400px;
+	}
+
+	.discord-btn {
+		display: inline-flex;
+		align-items: center;
+		gap: 0.75rem;
+		padding: 0.875rem 2rem;
+		background: #5865f2;
+		color: white;
+		border: none;
+		border-radius: 0.5rem;
+		font-size: 1.1rem;
+		font-weight: 600;
+		cursor: pointer;
+		transition: background 0.2s;
+	}
+
+	.discord-btn:hover {
+		background: #4752c4;
+	}
+
+	.discord-btn:active {
+		background: #3c45a5;
+	}
+
+	.help-text {
+		font-size: 0.85rem;
+		color: #666;
+		margin-top: 2rem;
+	}
+</style>