feat: add doc for std.parseCsv and std.manifestCsv

doc/_stdlib_gen/stdlib-content.jsonnet

@@ -681,6 +681,20 @@ local html = import 'html.libsonnet';
             },
           ],
         },
+        {
+          name: 'parseCsv',
+          params: ['str'],
+          availableSince: 'upcoming',
+          description: |||
+            Parses a CSV string into JSON.
+          |||,
+          examples: [
+            {
+              input: "std.parseCsv('id,name\n1,foo\n2,bar')",
+              output: std.parseCsv('id,name\n1,foo\n2,bar'),
+            },
+          ],
+        },
         {
           name: 'encodeUTF8',
           params: ['str'],
@@ -995,6 +1009,39 @@ local html = import 'html.libsonnet';
             |||),
           ],
         },
+        {
+          name: 'manifestCsv',
+          params: ['object', 'headers=null'],
+          availableSince: 'upcoming',
+          description: [
+            html.p({}, |||
+              Convert the given csv compatible object to a CSV.
+            |||),
+            html.pre({}, |||
+              std.manifestCsv(
+                {
+                    "id": [1, 2],
+                    "name": ["foo", "bar"],
+                    "x": ["baz"],
+                },
+                ["id", "name"],
+            |||),
+            html.p({}, |||
+              Yields a string containing this CSV:
+            |||),
+            html.pre({}, |||
+              id,name
+              1,foo
+              2,bar
+            |||),
+            html.p({}, |||
+              If <code>object</code> param is not a valid csv compatible object, it would be an error.
+            |||),
+            html.p({}, |||
+              The <code>headers</code> param adds is an optional which would default to all fields in the object.
+            |||),
+          ],
+        },
         {
           name: 'manifestXmlJsonml',
           params: ['value'],