add: schema, add user but no middleware

schema.sql

@@ -0,0 +1,29 @@
+CREATE TABLE IF NOT EXISTS Users (
+    -- for foreign key relations
+    user_id SERIAL PRIMARY KEY,
+    -- Public key posted next to display name; never changes
+    pub VARCHAR(255),
+    -- Private key used by user to login
+    priv VARCHAR(4096),
+    display_name VARCHAR(255)
+);
+
+CREATE TABLE IF NOT EXISTS UserRooms (
+    user_id INTEGER,
+    room_id INTEGER
+);
+
+CREATE TABLE IF NOT EXISTS Rooms (
+    room_id SERIAL PRIMARY KEY,
+
+    display_name VARCHAR(255)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS display_name_idx ON Rooms (display_name);
+
+CREATE TABLE IF NOT EXISTS UserVote (
+    user_id INTEGER,
+    imdb_title VARCHAR(255),
+
+    rank INTEGER
+);