feat: add linux code style formatting

tests/test_linear_algebra.c

@@ -1,12 +0,0 @@
-#include <assert.h>
-#include "curtle/linear_algebra.h"
-
-int main() {
-    vec2 a = {1,2};
-    vec2 b = {3,4};
-
-    vec2 r = vec2_add(a,b);
-
-    assert(r.x == 4);
-    assert(r.y == 6);
-}

tests/test_vector.c

@@ -0,0 +1,13 @@
+#include <assert.h>
+#include "curtle/vector.h"
+
+int main()
+{
+    struct vec2 a = {1, 2};
+    struct vec2 b = {3, 4};
+
+    struct vec2 r = vec2_add(a, b);
+
+    assert(r.x == 4);
+    assert(r.y == 6);
+}