Исправление структуры документации

docs/vector2/set-values-eng.md

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+# Setting the coordinates of a two-dimensional vector
+
+You can set the coordinates of vectors either directly or using functions. The functions for setting coordinate values allow you to do this in one line.
+
+Function for **BgcVector2FP32**:
+
+```c
+    inline void bgc_vector2_set_values_fp32(const float x1, const float x2, BgcVector2FP32* to);
+```
+
+Function for **BgcVector2FP32**:
+
+```c
+    inline void bgc_vector2_set_values_fp64(const double x1, const double x2, BgcVector2FP64* to);
+```
+
+Each of these functions is equivalent to the following lines of code:
+
+```c
+    vector->x1 = x1;
+    vector->x2 = x2;
+```
+
+You should not pass invalid pointers to these functions. The value NULL (0) is also considered invalid.
+
+Example of use:
+
+```c
+    #include <stdio.h>
+    #include <basic-geometry.h>
+
+    int main()
+    {
+        BgcVector2FP32 my_vector;
+
+        bgc_vector2_set_values_fp32(-2, 7, &my_vector);
+
+        printf("x1 = %f, x2 = %f\n", my_vector.x1, my_vector.x2);
+
+        return 0;
+    }
+```
+
+[Documentation](../intro-eng.md) / [2D vectors](../vector2-eng.md)