diff --git a/.gitignore b/.gitignore
index 755fc9b..0b52195 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,4 +41,7 @@ poetry.lock
 # Build artifacts
 build/
 dist/
-*.egg
\ No newline at end of file
+*.egg
+
+demos/Backup
+demos/Lib
\ No newline at end of file
diff --git a/core/__init__.py b/core/__init__.py
new file mode 100644
index 0000000..1a1b95e
--- /dev/null
+++ b/core/__init__.py
@@ -0,0 +1,2 @@
+from core.smoothness import Smoothness
+from core.sync import Synchronization
\ No newline at end of file
diff --git a/core/data_models/__init__.py b/core/data_models/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/core/smoothness.py b/core/smoothness.py
index 876b50b..44fa32d 100644
--- a/core/smoothness.py
+++ b/core/smoothness.py
@@ -1,5 +1,4 @@
 import numpy as np
-from collections import deque
 from scipy.signal import savgol_filter
 from scipy.fft import fft, fftfreq
 
diff --git a/core/sync.py b/core/sync.py
index 95a661c..6e2ff58 100644
--- a/core/sync.py
+++ b/core/sync.py
@@ -1,13 +1,14 @@
 import sys, os
 
-from core.data_models.sliding_window import SlidingWindow
-
 if os.getcwd() not in sys.path:
     sys.path.append(os.getcwd())
+
 import numpy as np
 from collections import deque
 from scipy.signal import hilbert, butter, filtfilt
 
+from core.data_models.sliding_window import SlidingWindow
+
 
 class Synchronization:
     # Initialization of the Synchronization class with parameters for window size, sensitivity, phase output, and filter settings.
diff --git a/demos/synch_demo.1.toe b/demos/synch_demo.1.toe
new file mode 100644
index 0000000..85f28db
Binary files /dev/null and b/demos/synch_demo.1.toe differ
diff --git a/demos/synch_demo.59.toe b/demos/synch_demo.59.toe
new file mode 100644
index 0000000..b98b555
Binary files /dev/null and b/demos/synch_demo.59.toe differ
diff --git a/demos/synch_demo.toe b/demos/synch_demo.toe
new file mode 100644
index 0000000..b98b555
Binary files /dev/null and b/demos/synch_demo.toe differ
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..16728f4
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,25 @@
+[build-system]
+requires = ["setuptools>=78.1.1", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "cp-testing-package"
+version = "0.0.1-alpha"
+
+dependencies = [
+    "numpy==1.24.1",
+    "scipy==1.15.0"
+
+]
+
+[project.optional-dependencies]
+dev = [
+    "build==1.3.0",
+    "mediapipe==0.10.21",
+    "setuptools==78.1.1",
+    "wheel==0.45.1"
+]
+
+[tool.setuptools]
+[tool.setuptools.packages.find]
+where = ["."]
\ No newline at end of file