feat: Add JSON parsing benchmark and include error reporting utility in the build script.

Author: ProgrammerKR

benchmarks/macro/json_bench.prox

@@ -34,8 +34,7 @@ class JsonParser {
     func skipWhitespace() {
         while (this.pos < this.len) {
             let c = this.peek();
-            // Simplified for debugging
-            if (c == " ") {
+            if (c == " " || c == "\n" || c == "\t") {
                 this.consume();
             } else {
                 return;

compile.bat

@@ -22,6 +22,7 @@ clang -o proxpl.exe -Iinclude -Isrc -D_CRT_SECURE_NO_WARNINGS ^
  src/runtime/value.c ^
  src/runtime/vm.c ^
  src/runtime/vm_helpers.c ^
+ src/utils/error_report.c ^
  src/stdlib/collections_native.c ^
  src/stdlib/convert_native.c ^
  src/stdlib/core_native.c ^