fix: 给有 FK 依赖的建表脚本加数字前缀以保证字母序就是依赖序

desc/sql/users/10-user_follows.sql

@@ -0,0 +1,12 @@
+CREATE TABLE user_follows (
+                              id BIGINT PRIMARY KEY,
+                              follower_id BIGINT NOT NULL REFERENCES users(id),
+                              followee_id BIGINT NOT NULL REFERENCES users(id),
+                              created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+                              UNIQUE(follower_id, followee_id),
+                              CONSTRAINT chk_no_self_follow CHECK (follower_id != followee_id)
+    );
+
+CREATE INDEX idx_follows_follower ON user_follows(follower_id);
+CREATE INDEX idx_follows_followee ON user_follows(followee_id);