Add line chart functionality

Author: MDUYN

investing_algorithm_framework/app/reporting/charts/line_chart.py

@@ -0,0 +1,11 @@
+import plotly.graph_objects as go
+
+
+def create_line_scatter(x, y, name, colour = 'blue'):
+    return go.Scatter(
+        x=x,
+        y=y,
+        mode='lines',
+        name=name,
+        line=dict(color=colour)
+    )