ACTIONS: don't run on MARKDOWN & PNG update (#164)

.github/workflows/build.yml

@@ -1,7 +1,13 @@
 name: Buildroot
 on:
   push:
+    paths-ignore:
+      - '*.md'
+      - '*.png'
   pull_request:
+    paths-ignore:
+      - '*.md'
+      - '*.png'
   workflow_dispatch:
   workflow_call:
     inputs:

README.md

@@ -1,5 +1,5 @@
 # Buildroot Package for Miyoo CFW 2.0.0
-Opensource development package for Miyoo handhelds
+Opensource development package for Miyoo handhelds.
 
 ## Install