Update PolicyEngine branding (#2)

Author: MaxGhenis

README.md

@@ -1,8 +1,8 @@
 # microunit
 
-`microunit` is Cosilico's unit-assignment package for microdata.
+`microunit` is PolicyEngine's unit-assignment package for microdata.
 
-It is part of the Cosilico microdata stack:
+It is part of the PolicyEngine microdata stack:
 
 - `microimpute`: fill missing variables and transfer attributes across data
   sources.

pyproject.toml

@@ -5,11 +5,11 @@ build-backend = "hatchling.build"
 [project]
 name = "microunit"
 version = "0.1.0"
-description = "Policy unit assignment for Cosilico's microdata stack"
+description = "Policy unit assignment for PolicyEngine's microdata stack"
 readme = "README.md"
 license = "MIT"
 authors = [
-    { name = "Cosilico", email = "hello@cosilico.ai" }
+    { name = "PolicyEngine", email = "hello@policyengine.org" }
 ]
 keywords = [
     "microdata",
@@ -42,7 +42,7 @@ dev = [
 ]
 
 [project.urls]
-Repository = "https://github.com/CosilicoAI/microunit"
+Repository = "https://github.com/PolicyEngine/microunit"
 
 [tool.hatch.build.targets.wheel]
 packages = ["src/microunit"]