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/gen/tmpls/pip.tmpl.sh

@@ -0,0 +1,55 @@
+# This file was originally part of the project "LURE - Linux User REpository", created by Elara Musayelyan.
+# It has been modified as part of "ALR - Any Linux Repository" by the ALR Authors.
+#
+# 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/>.
+
+name='python3-{{.Info.Name | tolower}}'
+version='{{.Info.Version}}'
+release='1'
+desc='{{.Info.Summary}}'
+homepage='{{.Info.Homepage}}'
+maintainer='Example <user@example.com>'
+architectures=('all')
+license=('{{if .Info.License | ne ""}}{{.Info.License}}{{else}}custom:Unknown{{end}}')
+provides=('{{.Info.Name | tolower}}')
+conflicts=('{{.Info.Name | tolower}}')
+
+deps=("python3")
+deps_arch=("python")
+deps_alpine=("python3")
+
+build_deps=("python3" "python3-pip")
+build_deps_arch=("python" "python-pip")
+build_deps_alpine=("python3" "py3-pip")
+
+sources=("https://files.pythonhosted.org/packages/source/{{.SourceURL.Filename | firstchar}}/{{.Info.Name}}/{{.SourceURL.Filename}}")
+checksums=('blake2b-256:{{.SourceURL.Digests.blake2b_256}}')
+
+build() {
+	cd "$srcdir/{{.Info.Name}}-${version}"
+  python -m build --wheel --no-isolation
+}
+
+package() {
+	cd "$srcdir/{{.Info.Name}}-${version}"
+	pip install --root="${pkgdir}/" . --no-deps --ignore-installed --disable-pip-version-check
+}
+
+files() {
+  printf '"%s" ' ./usr/local/lib/python3.*/site-packages/{{.Info.Name | tolower}}/*
+  printf '"%s" ' ./usr/local/lib/python3.*/site-packages/{{.Info.Name | tolower}}-${version}.dist-info/*
+}