feat: add nests (a.k.a namespaces)

store/migration/mysql/prod/0.24/00__nests.sql

@@ -3,6 +3,14 @@ ALTER TABLE
 ADD
     COLUMN nest INT NOT NULL DEFAULT 0;
 
+CREATE TABLE nest (
+  `id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  `name` VARCHAR(256) NOT NULL,
+  `creator_id` INT NOT NULL,
+  `created_ts` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  `row_status` VARCHAR(256) NOT NULL DEFAULT 'NORMAL'
+);
+
 INSERT INTO
     nest (name, creator_id)
 SELECT

store/migration/postgres/prod/0.24/00__nests.sql

@@ -3,6 +3,14 @@ ALTER TABLE
 ADD
   COLUMN nest INTEGER NOT NULL DEFAULT 0;
 
+CREATE TABLE nest (
+  id SERIAL PRIMARY KEY,
+  name TEXT NOT NULL,
+  creator_id INTEGER NOT NULL,
+  created_ts BIGINT NOT NULL DEFAULT EXTRACT(EPOCH FROM NOW()),
+  row_status TEXT NOT NULL DEFAULT 'NORMAL'
+);
+
 INSERT INTO
   nest (name, creator_id)
 SELECT

store/migration/sqlite/prod/0.24/00__nests.sql

@@ -3,6 +3,14 @@ ALTER TABLE
 ADD
   COLUMN nest INTEGER NOT NULL DEFAULT 0;
 
+CREATE TABLE nest (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  name TEXT NOT NULL,
+  creator_id INTEGER NOT NULL,
+  created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
+  row_status TEXT NOT NULL CHECK (row_status IN ('NORMAL', 'ARCHIVED')) DEFAULT 'NORMAL'
+);
+
 INSERT INTO
   nest (name, creator_id)
 SELECT