add linear scan example to nada-by-example

docs/nada-by-example/linear-scan.md

@@ -0,0 +1,24 @@
+# Linear Scan
+
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+import TestProgram from '@site/src/components/TestProgram/index';
+
+The linear scan example scans a list of secret values from multiple parties, checking for the existence of specific values. The example uses a reusable helper function for the logic for determining whether a given value is present or isn't present in the list.
+
+<Tabs>
+
+<TabItem value="program" label="Nada program" default>
+```python reference showGithubLink
+https://github.com/NillionNetwork/nada-by-example/blob/main/src/list_scan_linear.py
+```
+</TabItem>
+
+<TabItem value="test" label="Test file">
+```yaml reference showGithubLink
+https://github.com/NillionNetwork/nada-by-example/blob/main/tests/list_scan_linear_test.yaml
+```
+</TabItem>
+</Tabs>
+
+<TestProgram programName="list_scan_linear"/>

sidebars.js

@@ -481,6 +481,7 @@ const sidebars = {
     'nada-by-example/for-loop',
     'nada-by-example/reduce',
     'nada-by-example/random-number',
+    'nada-by-example/linear-scan',
     'nada-by-example/voting',
     'nada-by-example/r-p-s',
     {