add package: pyproject + src

ButtonPaginator: button-navigated discord.py paginator (discord.ui.View)
over mixed page content (str/embed/file/attachment/dict) with per-page
custom buttons, jump-to-page modal, and a mention-cache primer button.
config-free — emojis injectable with unicode fallback, everything passed
at construction. src/ layout, hatchling build.

Signed-off-by: disqualifier <dev@disqualifier.me>

pyproject.toml

@@ -0,0 +1,15 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "dpy_paginator"
+version = "0.1.0"
+description = "Button-navigated paginator for discord.py — config-free, injectable emojis, installable."
+requires-python = ">=3.10"
+dependencies = [
+    "discord.py>=2.0",
+]
+
+[tool.hatch.build.targets.wheel]
+packages = ["src/dpy_paginator"]