clan-app: Improve install-desktop.sh and add new desktop icons

pkgs/clan-app/pyproject.toml

@@ -15,7 +15,7 @@ Documentation = "https://docs.clan.lol/"
 Repository = "https://git.clan.lol/clan/clan-core"
 
 [tool.setuptools.packages.find]
-exclude = ["result"]
+exclude = ["result", "**/__pycache__"]
 
 [tool.setuptools.package-data]
 clan_app = ["**/assets/*"]
@@ -30,7 +30,7 @@ norecursedirs = "tests/helpers"
 markers = ["impure"]
 
 [tool.mypy]
-python_version = "3.11"
+python_version = "3.12"
 warn_redundant_casts = true
 disallow_untyped_calls = true
 disallow_untyped_defs = true
@@ -42,7 +42,7 @@ ignore_missing_imports = true
 
 
 [tool.ruff]
-target-version = "py311"
+target-version = "py312"
 line-length = 88
 lint.select = ["E", "F", "I", "U", "N", "RUF", "ANN", "A"]
 lint.ignore = ["E501", "E402", "N802", "ANN101", "ANN401", "A003"]