Merge branch 'chi' of https://github.com/bwhitn/CyberChef into bwhitn-chi

src/core/config/Categories.js

@@ -302,6 +302,7 @@ const Categories = [
         ops: [
             "Entropy",
             "Frequency distribution",
+            "Chi Square",
             "Detect File Type",
             "Scan for Embedded Files",
             "Disassemble x86",

src/core/config/OperationConfig.js

@@ -3205,6 +3205,13 @@ const OperationConfig = {
             }
         ]
     },
+    "Chi Square": {
+        module: "Default",
+        description: "Calculates the Chi Square distribution of values.",
+        inputType: "byteArray",
+        outputType: "number",
+        args: []
+    },
     "Numberwang": {
         module: "Default",
         description: "Based on the popular gameshow by Mitchell and Webb.",

src/core/config/modules/Default.js

@@ -143,6 +143,7 @@ OpModules.Default = {
     "Microsoft Script Decoder": MS.runDecodeScript,
     "Entropy":              Entropy.runEntropy,
     "Frequency distribution": Entropy.runFreqDistrib,
+    "Chi Square":           Entropy.calcChiSq,
     "Detect File Type":     FileType.runDetect,
     "Scan for Embedded Files": FileType.runScanForEmbeddedFiles,
     "Generate UUID":        UUID.runGenerateV4,