add handlers, storage(Postgres, sqlite) (#3)

Reviewed-on: #3
Co-authored-by: Evstigneev Denis <danteevstigneev@yandex.ru>
Co-committed-by: Evstigneev Denis <danteevstigneev@yandex.ru>

storage/migrations/sqlite/000001_init_schema.down.sql

@@ -0,0 +1,5 @@
+drop table if exists dashboard ;
+drop table if exists package ;
+drop table if exists module ;
+drop table if exists issue ;
+drop table if exists comment;

storage/migrations/sqlite/000001_init_schema.up.sql

@@ -0,0 +1,38 @@
+create table if not exists dashboard (
+    id integer primary key autoincrement not null ,
+    "uuid" uuid not null unique ,
+    package integer[] default '{}'
+);
+
+create table if not exists comment (
+    id integer primary key autoincrement not null ,
+    "text" text ,
+    created timestamp not null default current_timestamp ,
+    updated timestamp
+);
+
+create table if not exists module (
+    id integer primary key autoincrement not null ,
+    name varchar not null ,
+    version varchar not null ,
+    last_version varchar not null
+);
+
+create table if not exists issue (
+    id serial not null unique primary key ,
+    --package integer references package(id) ,
+    modules integer[] default '[]',
+    status integer default 0 ,
+    "desc" varchar
+);
+
+create table if not exists package (
+    id integer primary key autoincrement not null ,
+    name varchar not null ,
+    url varchar ,
+    modules integer[] default '[]',
+    issues integer[] default '[]',
+    comments integer[] default '[]'
+);
+
+