chore: 更新建表脚本

添加关于 meta JSONB 的说明

scripts/create_table.sql

@@ -1,21 +1,43 @@
--- 创建账户表
+-- 账户表
 CREATE TABLE account (
   a_id SERIAL PRIMARY KEY,
   meta JSONB
 );
+-- {"name":"name",
+--  "balance": 0.00,
+--  “budget": [
+--	{"time":"2022-02","value":20.32},
+--  {"time":"2022-01","value":30.32}
+--  ]
+--  "discription":"something"}
 
--- 创建类别表
+-- 类别表
 CREATE TABLE category (
   c_id SERIAL PRIMARY KEY,
   meta JSONB
 );
+-- {"name":"name",
+--	"type":"in"/"out",
+--  “budget": [
+--	{"time":"2022-02","value":20.32},
+--  {"time":"2022-01","value":30.32}
+--  ]
+--	"discription":"something"}
 
--- 创建流水表
+-- 流水表
 CREATE TABLE transaction (
   t_id SERIAL PRIMARY KEY,
   c_id INTEGER REFERENCES category(c_id),
   a_id INTEGER REFERENCES account(a_id),
   meta JSONB
 );
+-- {"discription":"something",(可选)
+--	"type":"in"/"out"/"transfer",
+--  "transfer_dist":a_id,(可选）
+--  "reimburse":{  （报销）
+--  "finish": true,
+--  "ref":t_id
+--	}
+--	"":"something"}