move quickshell config to subfolder to ease distribution

https://quickshell.outfoxxed.me/docs/guide/distribution/

.config/quickshell/ii/modules/common/functions/file_utils.js

@@ -0,0 +1,34 @@
+/**
+ * Trims the File protocol off the input string
+ * @param {string} str
+ * @returns {string}
+ */
+function trimFileProtocol(str) {
+    return str.startsWith("file://") ? str.slice(7) : str;
+}
+
+/**
+ * Extracts the file name from a file path
+ * @param {string} str
+ * @returns {string}
+ */
+function fileNameForPath(str) {
+    if (typeof str !== "string") return "";
+    const trimmed = trimFileProtocol(str);
+    return trimmed.split(/[\\/]/).pop();
+}
+
+/**
+ * Removes the file extension from a file path or name
+ * @param {string} str
+ * @returns {string}
+ */
+function trimFileExt(str) {
+    if (typeof str !== "string") return "";
+    const trimmed = trimFileProtocol(str);
+    const lastDot = trimmed.lastIndexOf(".");
+    if (lastDot > -1 && lastDot > trimmed.lastIndexOf("/")) {
+        return trimmed.slice(0, lastDot);
+    }
+    return trimmed;
+}