fixes #4 - adds modular analyses system using plugins

app/analysis/__init__.py

@@ -0,0 +1,34 @@
+import os
+import pkgutil
+import importlib
+import inspect
+from abc import ABC
+
+from .base import BaseAnalysis
+
+import pandas as pd
+
+def load_analysis_modules():
+    analysis_modules = []
+    package_path = __path__[0]
+
+    for _, module_name, _ in pkgutil.iter_modules([package_path]):
+        module = importlib.import_module(f"app.analysis.{module_name}")
+
+        for _, obj in inspect.getmembers(module, inspect.isclass):
+            # Exclude abstract classes (like BasePlotAnalysis)
+            if issubclass(obj, BaseAnalysis) and obj is not BaseAnalysis and not inspect.isabstract(obj):
+                analysis_modules.append(obj())  # Instantiate only concrete classes
+
+    return analysis_modules
+
+def load_data(file_path: str) -> pd.DataFrame:
+    """Loads the scraped data from a CSV file into a Pandas DataFrame."""
+    if not os.path.exists(file_path):
+        raise FileNotFoundError(f"File {file_path} not found.")
+
+    df = pd.read_csv(file_path)
+    df["timestamp"] = pd.to_datetime(df["timestamp"], errors="coerce")
+    df["last_action"] = pd.to_datetime(df["last_action"], errors="coerce")
+
+    return df