feat(string coder) implementation

app/urlList.ts

@@ -0,0 +1,12 @@
+export const urlList = [
+    {
+        name: 'Json Parser',
+        desc: 'Parse a Json file, with formatter and syntax highlighting',
+        url: '/jsonparser'
+    },
+    {
+        name: 'String Coder',
+        desc: 'String encoding & decoding, hashing',
+        url: '/strcoder'
+    }
+];