docs(readme): clarify include path

Mention the <hmac_cpp/...> prefix in installation sections.\nUpdate examples to include headers with angle brackets.

Author: LimiNode

README-RU.md

@@ -54,6 +54,8 @@ _install/
     └── libhmac.a
 ```
 
+Подключайте заголовки как `<hmac_cpp/...>`
+
 Также в репозитории есть готовые `.bat`-файлы для сборки под MinGW: `build_*.bat`.
 
 ## 📦 MQL5-совместимость

README.md

@@ -54,6 +54,8 @@ _install/
         └── libhmac_cpp.a
 ```
 
+Include headers in your code as `<hmac_cpp/...>`
+
 Predefined `.bat` scripts for MinGW builds are also available: `build_*.bat`.
 
 After installation, the package can be found and linked in other projects using `find_package`:

example.cpp

@@ -1,8 +1,8 @@
 #include <iostream>
 #include <string>
 #include <stdexcept>
-#include "hmac_cpp/hmac.hpp"
-#include "hmac_cpp/hmac_utils.hpp"
+#include <hmac_cpp/hmac.hpp>
+#include <hmac_cpp/hmac_utils.hpp>
 
 void print_section(const std::string& title) {
     std::cout << "=== " << title << " ===" << std::endl;

example_pbkdf2.cpp

@@ -3,8 +3,8 @@
 #include <string>
 #include <vector>
 
-#include "hmac_cpp/hmac.hpp"
-#include "hmac_cpp/hmac_utils.hpp"
+#include <hmac_cpp/hmac.hpp>
+#include <hmac_cpp/hmac_utils.hpp>
 
 static std::vector<uint8_t> from_hex(const std::string& hex) {
     std::vector<uint8_t> out;

example_streaming.cpp

@@ -4,8 +4,8 @@
 #include <string>
 
 // stream large files in chunks and verify
-#include "hmac_cpp/hmac.hpp"
-#include "hmac_cpp/hmac_utils.hpp"
+#include <hmac_cpp/hmac.hpp>
+#include <hmac_cpp/hmac_utils.hpp>
 
 int main() {
     const std::string key = "supersecret";