[refactor] readme: change bages size

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[refactor] compiler: initialize compiler and add includes

[refactor] core: change arena allocation and other utils

[feat] semantic: migrate semantic/type allocators to ctx arena

[feat] ast: add initializer and use arena alloc new_ast(arena) to allocate and initialize the AST structure (arena nodes, count) so callers get consistent,

[refactor] parser: migrate parser to use compiler context and managers parser parsing use the centralized context instead of scattered, and improve memory/source management.

[refactor] cli: convert pointer-based lists to value types command option management

[refactor] lexer: migrate to compiler and src manager

[refactor] context: change fields to pointers

[refactor] compiler: improve clarity and organization of includes, typedefs, and structures across various headers

[refactor] core: streamline data structures and improve clarity in arena, hashmap, strings, debug, diagnostic, resolver, and source modules

[refactor] readme: enhance structure by adding badge images for issues, stars, and license

[refactor] build: reorganize source files into ds and lang directories for better structure

[refactor] runtime: improve include clarity by adding comments and reorganizing headers