impr(language): add 15 new code go words (@bmarse) (#6936)

### Description
Adding in an updated list of more golang builtins for the `code go`
language.

For current builtin list see official docs: https://pkg.go.dev/builtin

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frontend/static/languages/code_go.json

@@ -2,17 +2,23 @@
   "name": "code_go",
   "noLazyMode": true,
   "words": [
+    "any",
+    "append",
     "bool",
     "break",
     "byte",
     "case",
     "chan",
+    "clear",
+    "close",
     "complex64",
     "complex128",
     "const",
     "continue",
+    "copy",
     "default",
     "defer",
+    "delete",
     "else",
     "error",
     "fallthrough",
@@ -31,11 +37,20 @@
     "int64",
     "int",
     "interface",
+    "iota",
+    "len",
     "map",
+    "make",
+    "max",
+    "min",
+    "new",
     "nil",
     "package",
+    "panic",
     "range",
+    "real",
     "return",
+    "recover",
     "rune",
     "select",
     "string",