Added extra project info

Author: Joel Collins

pyproject.toml

@@ -2,7 +2,14 @@
 name = "labthings"
 version = "0.4.0"
 description = "Python implementation of LabThings, based on the Flask microframework"
+readme = "README.md"
+repository = "https://github.com/labthings/python-labthings/"
 authors = ["jtc42 <jtc9242@gmail.com>"]
+classifiers = [
+    "Topic :: System :: Hardware",
+    "Topic :: Software Development :: Libraries :: Application Frameworks",
+    "Topic :: Internet :: WWW/HTTP :: WSGI"
+]
 
 [tool.poetry.dependencies]
 python = "^3.6"