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/build/script_view.go

@@ -0,0 +1,46 @@
+// 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 build
+
+import (
+	"context"
+
+	"gitea.plemya-x.ru/Plemya-x/ALR/internal/cliutils"
+)
+
+type ScriptViewerConfig interface {
+	PagerStyle() string
+}
+
+type ScriptViewer struct {
+	config ScriptViewerConfig
+}
+
+func (s *ScriptViewer) ViewScript(
+	ctx context.Context,
+	input *BuildInput,
+	sf *ScriptFile,
+	basePkg string,
+) error {
+	return cliutils.PromptViewScript(
+		ctx,
+		sf.Path,
+		basePkg,
+		s.config.PagerStyle(),
+		input.opts.Interactive,
+	)
+}