dependency version operators

а также сделал и вынес Version в ContentPackVersion ну и подправил луа скрипты.
требуются тесты

src/content/ContentPack.cpp

@@ -133,14 +133,43 @@ ContentPack ContentPack::read(const io::path& folder) {
                     break;
             }
 
-            std::string depVersion = "*";
-            size_t version_pos = depName.rfind("@");
-            if (version_pos != std::string::npos){
-                depVersion = depName.substr(version_pos + 1);
-                depName = depName.substr(0, version_pos);
+            std::string depVer = "*";
+            std::string depVerOperator = "=";
+
+            size_t versionPos = depName.rfind("@");
+            if (versionPos != std::string::npos) {
+                depVer = depName.substr(versionPos + 1);
+                depName = depName.substr(0, versionPos);
+
+                if (depVer.size() >= 2) {
+                    std::string op = depVer.substr(0, 2);
+                    std::uint8_t op_size = 0;
+
+                    // Two symbol operators
+                    if (op == ">=" || op == "=>" || op == "<=" || op == "=<") {
+                        op_size = 2;
+                        depVerOperator = op;
+                    }
+
+                    // One symbol operators
+                    else {
+                        op = depVer.substr(0, 1);
+
+                        if (op == ">" || op == "<") {
+                            op_size = 1;
+                            depVerOperator = op;
+                        }
+                    }
+
+                    depVer = depVer.substr(op_size);
+                } else {
+                    if (depVer == ">" || depVer == "<"){
+                        depVer = "*";
+                    }
+                }
             }
             
-            pack.dependencies.push_back({level, depName, depVersion});
+            pack.dependencies.push_back({level, depName, depVer, depVerOperator});
         }
     }