chore: import upstream snapshot with attribution

unauthenticated/js/highlight/languages/gcode.min.js

@@ -0,0 +1,16 @@
+/*! `gcode` grammar compiled for Highlight.js 11.7.0 */
+(()=>{var e=(()=>{"use strict";return e=>{const a=e.inherit(e.C_NUMBER_MODE,{
+begin:"([-+]?((\\.\\d+)|(\\d+)(\\.\\d*)?))|"+e.C_NUMBER_RE
+}),n=[e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE,e.COMMENT(/\(/,/\)/),a,e.inherit(e.APOS_STRING_MODE,{
+illegal:null}),e.inherit(e.QUOTE_STRING_MODE,{illegal:null}),{className:"name",
+begin:"([G])([0-9]+\\.?[0-9]?)"},{className:"name",
+begin:"([M])([0-9]+\\.?[0-9]?)"},{className:"attr",begin:"(VC|VS|#)",
+end:"(\\d+)"},{className:"attr",begin:"(VZOFX|VZOFY|VZOFZ)"},{
+className:"built_in",
+begin:"(ATAN|ABS|ACOS|ASIN|SIN|COS|EXP|FIX|FUP|ROUND|LN|TAN)(\\[)",contains:[a],
+end:"\\]"},{className:"symbol",variants:[{begin:"N",end:"\\d+",illegal:"\\W"}]}]
+;return{name:"G-code (ISO 6983)",aliases:["nc"],case_insensitive:!0,keywords:{
+$pattern:"[A-Z_][A-Z0-9_.]*",
+keyword:"IF DO WHILE ENDWHILE CALL ENDIF SUB ENDSUB GOTO REPEAT ENDREPEAT EQ LT GT NE GE LE OR XOR"
+},contains:[{className:"meta",begin:"%"},{className:"meta",begin:"([O])([0-9]+)"
+}].concat(n)}}})();hljs.registerLanguage("gcode",e)})();