feat: add wechat pay

backend/database/migrations/20250110093636_create_medias.sql

@@ -6,6 +6,7 @@ CREATE TABLE medias (
     created_at timestamp NOT NULL default now(),
     updated_at timestamp NOT NULL default now(),
 
+    tenant_id INT8 NOT NULL,
     user_id INT8 NOT NULL,
     post_id INT8 NOT NULL,
     storage_id INT8 NOT NULL,
@@ -15,6 +16,11 @@ CREATE TABLE medias (
     size INT8 NOT NULL default 0,
     path VARCHAR(255) NOT NULL default ''
 );
+
+CREATE INDEX medias_tenant_id_index ON medias (tenant_id);
+CREATE INDEX medias_user_id_index ON medias (user_id);
+CREATE INDEX medias_post_id_index ON medias (post_id);
+CREATE INDEX medias_storage_id_index ON medias (storage_id);
 -- +goose StatementEnd
 
 -- +goose Down