diff --git a/buildSrc/README.md b/buildSrc/README.md
new file mode 100644
index 0000000..ad9c554
--- /dev/null
+++ b/buildSrc/README.md
@@ -0,0 +1,18 @@
+# Build Sources
+
+> This module included into gradle build files, so it has utilities such dependencies constants, dependencies versions, project modules and custom plugins. <br>
+> Btw I like this solution for dependencies instead introduced in gradle 7.0 version catalogs etc.
+
+## Structure
+
+All kinds of shortcuts is unpackaged (including due to imports doesn't work in `plugins` block):
+
+[AppInfo](https://github.com/y9san9/prizebot/blob/dev/buildSrc/src/main/kotlin/AppInfo.kt) - basic application info <br>
+[Dependencies](https://github.com/y9san9/prizebot/blob/dev/buildSrc/src/main/kotlin/Dependencies.kt) - dependencies string constants<br>
+[Version](https://github.com/y9san9/prizebot/blob/dev/buildSrc/src/main/kotlin/Version.kt) - all kinds of versions extracted here <br>
+[Plugins](https://github.com/y9san9/prizebot/blob/dev/buildSrc/src/main/kotlin/Plugins.kt) - gradle plugins string constants <br>
+[Modules](https://github.com/y9san9/prizebot/blob/dev/buildSrc/src/main/kotlin/Modules.kt) - project modules shortcuts
+
+Otherwise, plugins are packaged:
+
+[Deploy](https://github.com/y9san9/prizebot/blob/dev/buildSrc/src/main/kotlin/me/y9san9/deploy/Deploy.kt) - plugin for convenient deployment bot to server via ssh with `systemctl restart`
diff --git a/buildSrc/src/main/kotlin/AppInfo.kt b/buildSrc/src/main/kotlin/AppInfo.kt
index 0f8be13..e89e051 100644
--- a/buildSrc/src/main/kotlin/AppInfo.kt
+++ b/buildSrc/src/main/kotlin/AppInfo.kt
@@ -1,4 +1,4 @@
 object AppInfo {
     const val PACKAGE = "me.y9san9.prizebot"
-    const val VERSION = "1.1-beta"
+    const val VERSION = "2.0"
 }
diff --git a/db-migrations/README.md b/db-migrations/README.md
new file mode 100644
index 0000000..5ccd772
--- /dev/null
+++ b/db-migrations/README.md
@@ -0,0 +1,8 @@
+# DB Migrations
+> **Note**: This is module with migrations implementation, for actual migrations see [it](https://github.com/y9san9/prizebot/tree/dev/bot/src/main/kotlin/me/y9san9/prizebot/database/migrations)
+
+## Structure
+
+The migrations are designed with [MigrationsApplier](https://github.com/y9san9/prizebot/blob/dev/db-migrations/src/main/kotlin/me/y9san9/db/migrations/MigrationsApplier.kt) as main entity. It performs all migrations in recursion-way (because personally I hate cycles and immutable state)
+
+[MigrationsStorage](https://github.com/y9san9/prizebot/blob/dev/db-migrations/src/main/kotlin/me/y9san9/db/migrations/MigrationsStorage.kt) is a simple set-get table model for tracking schema version