Add sort.binary_search (uses interpolation sort for ordered numeric types)

examples/demo/demo.odin

@@ -7,6 +7,7 @@ import "core:thread"
 import "core:time"
 import "core:reflect"
 import "core:runtime"
+import "core:sort"
 import "intrinsics"
 
 
@@ -1978,7 +1979,19 @@ pure_procedures :: proc() {
 }
 
 main :: proc() {
-	when true {
+	x := [?]f32{1, 1, 5, 6, 7, 8, 9, 10, 15, 15};
+	i, ok := sort.binary_search(x[:], 7);
+	fmt.println(x);
+	fmt.println(i, ok);
+
+	y := [?]string{"apple", "hello", "goodbye", "what?"};
+	sort.quick_sort(y[:]);
+	j, y_ok := sort.binary_search(y[:], "goodbye");
+	fmt.println(y);
+	fmt.println(j, y_ok);
+
+
+	when false {
 		the_basics();
 		control_flow();
 		named_proc_return_parameters();