doc(macros.h): add missing documentations

libs/patterns/macros.h

@@ -2,16 +2,44 @@
 #ifndef PATTERNS_MACROS_H_INCLUDED
 #define PATTERNS_MACROS_H_INCLUDED
 
-// TODO: Documentation
+/**
+ * @def ALIVE_CELL
+ * @brief Represents a live cell.
+ *
+ * @warning The value of `ALIVE_CELL` must be a single character.
+ */
 #define ALIVE_CELL 'o'
 
-// TODO: Documentation
+/**
+ * @def DEAD_CELL
+ * @brief Represents a dead cell.
+ *
+ * @warning The value of `DEAD_CELL` must be a single character.
+ */
 #define DEAD_CELL ' '
 
-// TODO: Documentation
-#define PATTERN_COLS 36
-
-// TODO: Documentation
+/**
+ * @def PATTERN_ROWS
+ * @brief Defines the number of rows in a 2D array pattern.
+ *
+ * This macro is used to define the number of rows in a 2D array pattern.
+ * It is typically used in conjunction with the `PATTERN_COLS` macro to define
+ * the size of a pattern.
+ *
+ * @warning The value of `PATTERN_ROWS` should be a positive integer.
+ */
 #define PATTERN_ROWS 13
 
+/**
+ * @def PATTERN_COLS
+ * @brief Defines the number of columns in a 2D array pattern.
+ *
+ * This macro is used to define the number of columns in a 2D array pattern.
+ * It is typically used in conjunction with the `PATTERN_ROWS` macro to define
+ * the size of a pattern.
+ *
+ * @warning The value of `PATTERN_COLS` should be a positive integer.
+ */
+#define PATTERN_COLS 36
+
 #endif  // PATTERNS_MACROS_H_INCLUDED