Add package installation

packages.yaml

@@ -0,0 +1,8 @@
+pacman:
+    - vim
+
+aur:
+    - spotify
+
+git:
+    - https://aur.archlinux.org/yay-git.git

src/packages.py

@@ -0,0 +1,28 @@
+import yaml
+
+from src.util.package import Package, PackageAlreadyInstalled, InvalidPackage
+from src.util import log
+
+with open("packages.yaml") as f:
+    yaml_file = yaml.safe_load(f)
+
+pacman_packages = yaml_file["pacman"]
+aur_packages = yaml_file["aur"]
+git_packages = yaml_file["git"]
+
+packages = []
+for package in git_packages:
+    packages.append(Package(package, git=True))
+for package in pacman_packages:
+    packages.append(Package(package))
+for package in aur_packages:
+    packages.append(Package(package, aur=True))
+
+for package in packages:
+    try:
+        log.action(f"Installing {package}")
+        package.install()
+    except PackageAlreadyInstalled:
+        log.cancel(f"Package {package} is already installed.")
+    except InvalidPackage as e:
+        log.warning(e)