[lvgl] base implementation (#7116)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

tests/components/lvgl/lvgl-package.yaml

@@ -0,0 +1,24 @@
+color:
+  - id: light_blue
+    hex: "3340FF"
+
+lvgl:
+  bg_color: light_blue
+  widgets:
+    - label:
+        text: Hello world
+        text_color: 0xFF8000
+        align: center
+        text_font: montserrat_40
+        border_post: true
+
+    - label:
+        text: "Hello shiny day"
+        text_color: 0xFFFFFF
+        align: bottom_mid
+        text_font: space16
+
+font:
+  - file: "gfonts://Roboto"
+    id: space16
+    bpp: 4