feat: add automated code review system generating JSON and markdown reports for C and Python source files

reviews/line.h.md

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+## Bugs
+- The history file path is not expanded from `~` to the full home directory path.
+- `read_history` and `write_history` may encounter errors without handling them, e.g., file permissions or missing history file.
+- The check on `if(!(data || *data)){` in `line_read()` might lead to a potential null pointer dereference if `readline` returns null.
+
+## Optimizations
+- Use `getenv("HOME")` or `wordexp` to properly expand the tilde (`~`) to the full path of the user's home directory.
+- Add error handling for `read_history` and `write_history` calls.
+- Use `if(data == NULL || *data == '\0'){` in `line_read()` to handle potential null addresses safely.
+
+## Good points
+- Implements command completion which enhances user experience.
+- Utilizes the `readline` library effectively for command-line interaction.
+- Code is modular and functions are appropriately separated by concerns.
+
+## Summary
+The code provides a basic command-line interface with features for command completion and history storage using the `readline` library. It does a commendable job on keeping possible commands and their completion minimalistic and straightforward. However, it encounters issues with the handling of user home directory paths in the context of a history file and lacks robust error handling concerning file operations for command history. Proper checks against null pointers need implementation to ensure more stable execution. 
+
+## Open source alternatives
+- GNU Readline: The library is already being used but reviewing the full set of its capabilities can further optimize command-line interaction with line editing and custom completers.
+- `clap`: While mostly known for CLI parsing in Rust apps, its approach can inspire improvements in arguments handling.
+- `Linenoise`: A small, portable GNU Readline replacement for C.