chore: use PEP 660 python install method pyproject.toml

pyproject.toml

@@ -0,0 +1,63 @@
+[project]
+name = "helpdesk"
+authors = [
+    { name = "Frappe Technologies Pvt Ltd", email = "[email protected]" },
+]
+description = "Open Source Customer Service Software"
+requires-python = ">=3.10"
+readme = "README.md"
+dynamic = ["version"]
+dependencies = [
+    # Core dependencies
+    "textblob==0.18.0.post0",
+]
+
+[build-system]
+requires = ["flit_core >=3.4,<4"]
+build-backend = "flit_core.buildapi"
+
+[tool.bench.frappe-dependencies]
+frappe = ">=15.0.0,<16.0.0"
+
+[tool.ruff]
+line-length = 110
+target-version = "py310"
+
+[tool.ruff.lint]
+select = [
+    "F",
+    "E",
+    "W",
+    "I",
+    "UP",
+    "B",
+    "RUF",
+]
+ignore = [
+    "B017", # assertRaises(Exception) - should be more specific
+    "B018", # useless expression, not assigned to anything
+    "B023", # function doesn't bind loop variable - will have last iteration's value
+    "B904", # raise inside except without from
+    "E101", # indentation contains mixed spaces and tabs
+    "E402", # module level import not at top of file
+    "E501", # line too long
+    "E741", # ambiguous variable name
+    "F401", # "unused" imports
+    "F403", # can't detect undefined names from * import
+    "F405", # can't detect undefined names from * import
+    "F722", # syntax error in forward type annotation
+    "W191", # indentation contains tabs
+    "RUF001", # string contains ambiguous unicode character
+]
+typing-modules = ["frappe.types.DF"]
+
+[tool.ruff.format]
+quote-style = "double"
+indent-style = "tab"
+docstring-code-format = true
+
+
+[project.urls]
+Homepage = "https://frappe.io/helpdesk"
+Repository = "https://github.com/frappe/helpdesk.git"
+"Bug Reports" = "https://github.com/frappe/helpdesk/issues"