Common Utilities

• ansi.h: A bunch of ANSI escape codes for terminal text styling.
• arena.h/c: A bump allocator made of fixed-size blocks for compact allocation.
• fs.h/_*.c: Portable filesystem utilities.
• str.h/c: A string-view type with associated utilites.
• strmap.h/c: A generic string to void* hashmap.
• type.h: A collection of common primite types.
• util.h: A collection of miscellaneous utilities.
• vec.h/c: A type-safe, generic dynamic array.