add module install

Author: j042

.github/workflows/docs.yml

@@ -17,9 +17,6 @@ jobs:
       with:
         python-version: "3.11"
 
-    - name: install dependencies
-      run: pip install numpy
-
     - name: build tetgenpy
       run: pip install -e .
 

cpp/tetgenpy/CMakeLists.txt

@@ -25,3 +25,8 @@ install(
   DESTINATION ${incl_dest}
   FILES_MATCHING
   PATTERN "*.hpp")
+
+install(
+  TARGETS tetgenpy_core
+  DESTINATION tetgenpy
+  COMPONENT PythonModule)