add some missing non-square matrix funcs

src/mat2x4.c

@@ -31,3 +31,21 @@ void
 glmc_mat2x4_mul(mat2x4 m1, mat4x2 m2, mat2 dest) {
   glm_mat2x4_mul(m1, m2, dest);
 }
+
+CGLM_EXPORT
+void
+glmc_mat2x4_mulv(mat2x4 m, vec4 v, vec2 dest) {
+  glm_mat2x4_mulv(m, v, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2x4_transpose(mat2x4 m, mat4x2 dest) {
+  glm_mat2x4_transpose(m, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2x4_scale(mat2x4 m, float s) {
+  glm_mat2x4_scale(m, s);
+}