feat: add .gitignore for rclone configuration and update README for config file description

Author: liogate

.gitignore

@@ -0,0 +1 @@
+rclone.conf

README.md

@@ -22,7 +22,7 @@ docker run --rm -it -v $(pwd)/rclone.conf:/data/rclone.conf:ro \
 
 | Variable             | Description                               |
 |----------------------|-------------------------------------------|
-| `RCLONE_CONFIG`      | Path to rclone config file                |
+| `RCLONE_CONFIG`      | Path to rclone config file or base64      |
 | `RCLONE_SOURCE`      | Source location for rclone operation      |
 | `RCLONE_DESTINATION` | Destination location for rclone operation |
 | `RCLONE_ARGS`        | Additional arguments for rclone           |

entrypoint.sh

@@ -13,6 +13,11 @@ if [ "$#" -gt 1 ]; then
     exit 1
 fi
 
+if [ ! -f "$RCLONE_CONFIG" ]; then
+    echo "$RCLONE_CONFIG" | base64 -d > /config/rclone/rclone.conf
+    RCLONE_CONFIG="/config/rclone/rclone.conf"
+fi
+
 rclone "$1" --config="$RCLONE_CONFIG" $RCLONE_ARGS "$RCLONE_SOURCE" "$RCLONE_DESTINATION"
 
 if [ -z "$HEARTBEAT_URL" ]; then