feat: user avatar as public asset

migrations/all.sql

@@ -5,8 +5,8 @@ CREATE TABLE users (
     full_name            TEXT,
     email                TEXT UNIQUE,
     website              TEXT,
-    picture              BLOB,
     roles                TEXT NOT NULL, -- json array of user roles
+    avatar_asset_id      TEXT,
 
     status               TEXT CHECK(status IN ('Invited', 'Active', 'Disabled')) NOT NULL DEFAULT 'Disabled',
     password_hash        TEXT,
@@ -15,6 +15,17 @@ CREATE TABLE users (
     created_at           DATETIME NOT NULL
 );
 
+DROP TABLE IF EXISTS user_assets;
+CREATE TABLE user_assets (
+    id                   TEXT PRIMARY KEY,
+    user_id              TEXT NOT NULL,
+    mime_type            TEXT NOT NULL,
+    fingerprint          TEXT NOT NULL,
+    name                 TEXT, -- file name
+    content              BLOB NOT NULL,
+    created_at           DATETIME NOT NULL
+);
+
 DROP TABLE IF EXISTS authorizations;
 CREATE TABLE authorizations (
     id                  TEXT PRIMARY KEY,