feat: Added cross-platform .NET scripts support (#1185)

This PR intends to add support for .NET scripts that can extend ImHex's
functionality in a portable and cross-platform way.

---------

Co-authored-by: Justus Garbe <55301990+Nowilltolife@users.noreply.github.com>

plugins/script_loader/source/script_api/v1/mem.cpp

@@ -0,0 +1,44 @@
+#include <script_api.hpp>
+
+#include <hex/api/imhex_api.hpp>
+#include <hex/providers/provider.hpp>
+
+#define VERSION V1
+
+SCRIPT_API(void readMemory, u64 address, size_t size, void *buffer) {
+    auto provider = hex::ImHexApi::Provider::get();
+
+    if (provider == nullptr) {
+        return;
+    }
+
+    provider->read(address, buffer, size);
+}
+
+SCRIPT_API(void writeMemory, u64 address, size_t size, void *buffer) {
+    auto provider = hex::ImHexApi::Provider::get();
+
+    if (provider == nullptr) {
+        return;
+    }
+
+    provider->write(address, buffer, size);
+}
+
+SCRIPT_API(bool getSelection, u64 *start, u64 *end) {
+    if (start == nullptr || end == nullptr)
+        return false;
+
+    if (!hex::ImHexApi::Provider::isValid())
+        return false;
+
+    if (!hex::ImHexApi::HexEditor::isSelectionValid())
+        return false;
+
+    auto selection = hex::ImHexApi::HexEditor::getSelection();
+
+    *start = selection->getStartAddress();
+    *end = selection->getEndAddress();
+
+    return true;
+}