fix: reformat codebase and fix const-correctness for CI lint

- Reformat all C/H files to match .clang-format (LLVM style)
- Fix 26 cppcheck const-correctness warnings (constParameterPointer,
  constVariablePointer, constVariable)
- Update function declarations in headers to match const parameters

src/shared/utils.h

@@ -4,10 +4,10 @@
 #include "array_list.h"
 #include <stdbool.h>
 
-bool mkdir_r(char *path);
-char *str_dup(const char *string);
-char *path_cat(char *path1, char *path2);
-bool glob_match(const char *pattern, const char *str);
-void delete_extras(const char *dest_root, ArrayList *manifest);
+bool mkdir_r(const char* path);
+char* str_dup(const char* string);
+char* path_cat(const char* path1, char* path2);
+bool glob_match(const char* pattern, const char* str);
+void delete_extras(const char* dest_root, ArrayList* manifest);
 
 #endif