gitignore: add Vim Swap files

Totktonada · Totktonada · commit a33eec5f1f35 · 2022-02-11T16:28:50.000+03:00
Make working on the project more engaging for ones who (like me) using
Vim.
diff --git a/.gitignore b/.gitignore
@@ -1,2 +1,5 @@
 /node_modules
 /lib
+
+# Vim Swap files.
+.*.sw[a-z]
