Initial commit with basic DB layout

migrations/2023-01-03-134423_create_user/down.sql

@@ -0,0 +1,3 @@
+-- This file should undo anything in `up.sql`
+DROP TABLE UserFollows;
+DROP TABLE Users;

migrations/2023-01-03-134423_create_user/up.sql

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+-- Your SQL goes here
+
+CREATE TABLE Users (
+  id VARCHAR(31) PRIMARY KEY, -- Appwrite User ID
+  username VARCHAR(64) NOT NULL
+);
+
+CREATE TABLE UserFollows (
+  id SERIAL PRIMARY KEY,
+  follower VARCHAR(31)
+    REFERENCES Users(id)
+    ON UPDATE CASCADE
+    ON DELETE CASCADE
+    NOT NULL,
+  following VARCHAR(31)
+    REFERENCES Users(id)
+    ON UPDATE CASCADE
+    ON DELETE CASCADE
+    NOT NULL
+);