Add Standardize class for Z-Score normalization and update project files

- Implemented the Standardize class for calculating Z-Score normalization over a specified lookback period.
- Updated NDepend badge SVG files to reflect new metrics.
- Modified NDepend project files to reference the updated solution file name.
- Removed outdated documentation files related to indicator proposals and channel documentation remediation.
- Updated workspace configuration to point to the new solution file.

ndepend/badges/complexity.svg

@@ -1,22 +1,22 @@
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-    <title>Average Cyclomatic Complexity for Methods: 2.2</title>
+    xmlns:xlink='http://www.w3.org/1999/xlink' width='281.4414' height='20' role='img' aria-label='languages: 5'>
+    <title>Average Cyclomatic Complexity for Methods: 2.19</title>
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         <text aria-hidden='true' x='40' y='150' fill='#010101' fill-opacity='.3' transform='scale(.1)' textLength='2360.8594'>Average Cyclomatic Complexity for Methods</text>
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