Add configuration files, database migrations, and authentication implementation scaffolding

internal/db/migrations/000001_init.up.sql

@@ -0,0 +1,25 @@
+-- Migration: 000001_init.up.sql
+
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
+CREATE TABLE IF NOT EXISTS encrypted_logs (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    log_type TEXT NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    encrypted_payload BYTEA NOT NULL,
+    blind_index_hash TEXT,
+    server_id TEXT NOT NULL,
+    session_id TEXT
+);
+
+CREATE INDEX IF NOT EXISTS idx_logs_created_at ON encrypted_logs(created_at);
+CREATE INDEX IF NOT EXISTS idx_logs_blind_hash ON encrypted_logs(blind_index_hash);
+
+CREATE TABLE IF NOT EXISTS telemetry (
+    timestamp TIMESTAMP WITH TIME ZONE PRIMARY KEY DEFAULT CURRENT_TIMESTAMP,
+    community_id TEXT NOT NULL,
+    server_fps DOUBLE PRECISION NOT NULL,
+    player_count INTEGER NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS idx_telemetry_community_id ON telemetry(community_id);