Tactility modules refactored (#13)

* refactor modules

* moved esp_lvgl_port to libs/

* added missing file

* fix for sim build

* various sim/pc fixes

* lvgl improvements

* added missing cmake files

libs/lvgl/tests/config.yml

@@ -0,0 +1,5 @@
+:unity:
+  :includes:
+    - lv_test_init.h
+  :suite_setup: "lv_test_init();"
+  :suite_teardown: "lv_test_deinit();return num_failures;"