Improve documentation.

Author: ZCG-coder

include/constants.hpp

@@ -24,6 +24,10 @@
 
 #include <string_view>
 
+/**
+ * @namespace steppable::constants
+ * @brief Numerical constants used in Steppable.
+ */
 namespace steppable::constants
 {
     /// @brief 100 digits of pi.

include/exceptions.hpp

@@ -32,6 +32,10 @@
 
 #include <exception>
 
+/**
+ * @namespace steppable::exceptions
+ * @brief Contains Steppable exceptions.
+ */
 namespace steppable::exceptions
 {
     /**

include/format.hpp

@@ -43,6 +43,10 @@
 #include <string>
 #include <vector>
 
+/**
+ * @namespace steppable::__internals::format
+ * @brief Contains string formatting utilities.
+ */
 namespace steppable::__internals::format
 {
     // https://stackoverflow.com/a/49812356/14868780

include/output.hpp

@@ -51,6 +51,10 @@
 #include <iostream>
 #include <string>
 
+/**
+ * @namespace steppable::output
+ * @brief Message-printing utilities for Steppable.
+ */
 namespace steppable::output
 {
     using namespace steppable::__internals;

include/platform.hpp

@@ -38,7 +38,7 @@
 #include <mutex>
 
 /**
- * @namespace steppable::__internals::util
+ * @namespace steppable::__internals::utils
  * @brief Namespace for internal functions
  * @note This namespace should not be used by other programs outside of the Steppable core.
  */

include/testing.hpp

@@ -83,6 +83,10 @@ using namespace std::literals;
         return 1;                                                                           \
     }
 
+/**
+ * @namespace steppable::testing
+ * @brief Includes testing utilities for Steppable.
+ */
 namespace steppable::testing
 {
     /**

include/util.hpp

@@ -187,6 +187,10 @@ namespace steppable::__internals::utils
 #endif
 } // namespace steppable::__internals::utils
 
+/**
+ * @namespace steppable::__internals::numUtils
+ * @brief Utilities to operate numbers.
+ */
 namespace steppable::__internals::numUtils
 {
     /**
@@ -342,6 +346,10 @@ namespace steppable::__internals::numUtils
     bool isPowerOfTen(const std::string& number);
 } // namespace steppable::__internals::numUtils
 
+/**
+ * @namespace steppable::__internals::stringUtils
+ * @brief Utilities to operate strings.
+ */
 namespace steppable::__internals::stringUtils
 {
     /**