update readme, add test coverage

Author: corylanou

.github/FUNDING.yml

@@ -1,4 +1,3 @@
 # These are supported funding model platforms
 
-github: markbates
-patreon: buffalo
+github: gopherguides

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        go-version: [1.14.x, 1.15.x]
+        go-version: [1.24.x]
         os: [macos-latest, ubuntu-latest]
     steps:
     - name: Checkout Code