fixes #4 - adds modular analyses system using plugins

app/analysis/table_statistics.py

@@ -0,0 +1,31 @@
+import pandas as pd
+from .base import BaseAnalysis
+from flask import render_template_string
+
+class GenerateStatistics(BaseAnalysis):
+    name = "Test Statistics (Placeholder)"
+    description = "Generates activity statistics grouped by hour."
+
+    def execute(self, df: pd.DataFrame):
+        df["hour"] = df["timestamp"].dt.hour
+        statistics = df.groupby("hour").size().reset_index(name="count")
+
+        # Convert statistics DataFrame to HTML
+        table_html = statistics.to_html(classes="table table-bordered table-striped")
+
+        # Wrap it in Bootstrap styling
+        html_content = render_template_string(
+            """
+            <div class="card mt-3">
+                <div class="card-header">
+                    <h4>Activity Statistics</h4>
+                </div>
+                <div class="card-body">
+                    {{ table_html | safe }}
+                </div>
+            </div>
+            """,
+            table_html=table_html
+        )
+        
+        return html_content