refactor: move pkg/ to internal/ and update imports

Restructure project by relocating package contents from pkg/ to internal/ to better reflect internal-only usage. This commit is initial step to prepare project for public api

internal/repos/repos.go

@@ -0,0 +1,43 @@
+// ALR - Any Linux Repository
+// Copyright (C) 2025 The ALR Authors
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package repos
+
+import (
+	"gitea.plemya-x.ru/Plemya-x/ALR/internal/config"
+	database "gitea.plemya-x.ru/Plemya-x/ALR/internal/db"
+	"gitea.plemya-x.ru/Plemya-x/ALR/internal/types"
+)
+
+type Config interface {
+	GetPaths() *config.Paths
+	Repos() []types.Repo
+}
+
+type Repos struct {
+	cfg Config
+	db  *database.Database
+}
+
+func New(
+	cfg Config,
+	db *database.Database,
+) *Repos {
+	return &Repos{
+		cfg,
+		db,
+	}
+}