Migrate to src layout

Author: tobiasdiez

meson.build

@@ -9,20 +9,20 @@ py = py_module.find_installation(pure: false)
 py_dep = py.dependency()
 
 py.install_sources(
-    'memory_allocator/__init__.py',
-    'memory_allocator/__init__.pxd',
-    'memory_allocator/memory_allocator.pxd',
-    'memory_allocator/memory.pxd',
-    'memory_allocator/signals.pxd',
+    'src/memory_allocator/__init__.py',
+    'src/memory_allocator/__init__.pxd',
+    'src/memory_allocator/memory_allocator.pxd',
+    'src/memory_allocator/memory.pxd',
+    'src/memory_allocator/signals.pxd',
     subdir: 'memory_allocator',
 )
 
 extensions = {
-    'memory_allocator': files('memory_allocator/memory_allocator.pyx'),
-    'test': files('memory_allocator/test.pyx'),
+    'memory_allocator': files('src/memory_allocator/memory_allocator.pyx'),
+    'test': files('src/memory_allocator/test.pyx'),
 }
 
-src = include_directories('memory_allocator')
+src = include_directories('src/memory_allocator')
 foreach name, pyx : extensions
     py.extension_module(name,
         pyx,