Add custom keymap and font for Smathev layout on Fingerpunch Sweeeeep keyboard

- Implemented glcdfont.c for custom font rendering.
- Created keymap.c with multiple layers including NORTO, QWERTY, NORTNAVIGATION, and SYMFKEYS.
- Added OLED display functionality to show layer states and modifier statuses.
- Included keymap.json for configuration.

keyboards/fingerpunch/sweeeeep/keymaps/smathev/keymap.json

@@ -0,0 +1,3 @@
+{
+    "converter": "liatris"
+}