added: tricorn header and signature

.gitignore

@@ -0,0 +1 @@
+.vscode

Implementierung/tricorn.c

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+#include "tricorn.h"
+void tricorn(float complex  start, size_t width, size_t height, float res, unsigned n, _Bool color, unsigned char* img){
+    
+}

Implementierung/tricorn.h

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+#include <complex.h>
+#include <stddef.h>
+void tricorn(float complex  start, size_t width, size_t height, float res, unsigned n, _Bool color, unsigned char* img);