docs: add template files

These template files come from the Barr C style guide.

Signed-off-by: Ronald Caesar <github43132@proton.me>

docs/header_template.h

@@ -0,0 +1,23 @@
+/** @file module.h
+ *
+ * @brief A description of the module’s purpose.  
+ *   
+ * @par          
+ */     
+
+#ifndef MODULE_H
+#define MODULE_H  
+
+/*!   
+ * @brief Identify the larger of two 8-bit integers.   
+ *
+ * @param[in] num1  The first number to be compared.   
+ * @param[in] num2  The second number to be compared.   
+ *
+ * @return The value of the larger number.
+ */
+int8_t max8(int8_t num1, int8_t num2);   
+
+#endif /* MODULE_H */   
+
+/*** end of file ***/

docs/source_template.c

@@ -0,0 +1,27 @@
+/** @file module.c   
+ * 
+ * @brief A description of the module’s purpose.    
+ * 
+ * @par          
+ */    
+
+#include <stdint.h> 
+#include <stdbool.h> 
+
+#include “module.h”    
+
+/*!   
+ * @brief Identify the larger of two 8-bit integers.   
+ * 
+ * @param[in] num1  The first number to be compared.   
+ * @param[in] num2  The second number to be compared.   
+ * 
+ * @return The value of the larger number. 
+ */  
+int8_t
+max8 (int8_t num1, int8_t num2)
+{      
+    return ((num1 > num2) ? num1 : num2); 
+}   
+
+/*** end of file ***/