chore: add structured package data for math/base/special/floor2

PR-URL: #8417
Ref: #7924
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: manvith2003

lib/node_modules/@stdlib/math/base/special/floor2/package.json

@@ -64,5 +64,81 @@
     "prevpow2",
     "nearest",
     "number"
-  ]
+  ],
+  "__stdlib__": {
+    "scaffold": {
+      "$schema": "math/base@v1.0",
+      "base_alias": "floor2",
+      "alias": "floor2",
+      "pkg_desc": "round a numeric value to the nearest power of two toward negative infinity",
+      "desc": "rounds a numeric value to the nearest power of two toward negative infinity",
+      "short_desc": "",
+      "parameters": [
+        {
+          "name": "x",
+          "desc": "input value",
+          "type": {
+            "javascript": "number",
+            "jsdoc": "number",
+            "c": "double",
+            "dtype": "float64"
+          },
+          "domain": [
+            {
+              "min": "-infinity",
+              "max": "infinity"
+            }
+          ],
+          "rand": {
+            "prng": "random/base/uniform",
+            "parameters": [
+              -10,
+              10
+            ]
+          },
+          "example_values": [
+            -3.7,
+            3.5,
+            -1.2,
+            -0.1,
+            0.1,
+            1.1,
+            2.9,
+            5.5,
+            10.2,
+            5.9,
+            2.25,
+            -3.14,
+            5,
+            4.33,
+            10.2,
+            -9.99,
+            9.99,
+            2.12,
+            -0.5,
+            0.5
+          ]
+        }
+      ],
+      "returns": {
+        "desc": "function value",
+        "type": {
+          "javascript": "number",
+          "jsdoc": "number",
+          "c": "double",
+          "dtype": "float64"
+        }
+      },
+      "keywords": [
+        "floor",
+        "floor2",
+        "round",
+        "nextpow2",
+        "prevpow2"
+      ],
+      "extra_keywords": [
+        "math.floor"
+      ]
+    }
+  }
 }