added better credit system

core/src/credits.cpp

@@ -0,0 +1,30 @@
+#include <credits.h>
+
+namespace sdrpp_credits {
+    const char* contributors[] = {
+        "Ryzerth (Author)",
+        "aosync",
+        "Alexsey Shestacov",
+        "Benjamin Kyd",
+        "Tobias Mädel",
+        "Raov",
+        "Howard0su"
+    };
+
+    const char* libraries[] = {
+        "Dear ImGui (ocornut)",
+        "json (nlohmann)",
+        "portaudio (P.A. comm.)",
+        "SoapySDR (PothosWare)",
+        "spdlog (gabime)",
+    };
+
+    const char* patrons[] = {
+        "SignalsEverywhere",
+        "Lee Donaghy"
+    };
+
+    const int contributorCount = sizeof(contributors) / sizeof(char*);
+    const int libraryCount = sizeof(libraries) / sizeof(char*);
+    const int patronCount = sizeof(patrons) / sizeof(char*);
+}