Large 0.3 changes

- Split the gigantic mess that web.rs was into seperate files
- Split the app into two clear functions: web and bot
- Add privacy policy
- Add privacy
- Make the site respect GDPR and Discord ToS
- Add basic API
- Add timezone detection and automatic time changes

migrations/20260831000000_api_tokens.sql

@@ -0,0 +1,12 @@
+CREATE TABLE IF NOT EXISTS api_tokens (
+    token TEXT PRIMARY KEY,
+    discord_id BIGINT NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+    FOREIGN KEY (discord_id)
+        REFERENCES discord_users(discord_id)
+        ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS api_tokens_discord_id_idx
+    ON api_tokens(discord_id);