Add support for trailing slash in inputs.folder, reorganize examples

Author: SuperFola

.github/workflows/ci.yml

@@ -7,4 +7,4 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ArkScript-lang/action-format@master
         with:
-          folder: example
+          folder: example/format

README.md

@@ -11,8 +11,6 @@ inputs:
     required: true
 ```
 
-> [!WARNING]
-> The folders **MUST NOT** be terminated by a `/`
-
-- **folder**: path to ArkScript files ; will be scanned for `*.ark` files
+- **folder**: path to ArkScript files ; will be scanned for `*.ark` files (not recursively)
+  - eg: `example/`, `example/format`
 

action.yaml

@@ -30,7 +30,8 @@ runs:
           else
             echo "✅ $(basename $file)"
           fi
-        done < <(find "${{ inputs.folder }}" -type f -name "*.ark" -maxdepth 1 -print0)
+        path=${{ inputs.folder }}
+        done < <(find "${path%/}" -type f -name "*.ark" -maxdepth 1 -print0)
 
         echo "$failures file(s) need to be formatted"
         [ $failures -gt 0 ] && exit 1 || exit 0