add cetacean cipher encoder and decoder operations, tests. Update .gitignore to exclude idea generated files

src/core/operations/CetaceanCipherEncode.mjs

@@ -0,0 +1,54 @@
+/**
+ * @author dolphinOnKeys [robin@weird.io]
+ * @copyright Crown Copyright 2022
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+
+/**
+ * Cetacean Cipher Encode operation
+ */
+class CetaceanCipherEncode extends Operation {
+
+    /**
+     * CetaceanCipherEncode constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Cetacean Cipher Encode";
+        this.module = "Ciphers";
+        this.description = "Converts any input into Cetacean Cipher. <br/><br/>e.g. <code>hi</code> becomes <code>EEEEEEEEEeeEeEEEEEEEEEEEEeeEeEEe</code>\"";
+        this.infoURL = "";
+        this.inputType = "string";
+        this.outputType = "string";
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        let result = [];
+        let charArray = input.split('');
+
+        charArray.map( ( character ) => {
+            if ( character === ' ' ) {
+                result.push( character );
+            } else {
+                const binaryArray = this.encodeToBinary( character ).split('');
+                result.push( binaryArray.map(( str ) => str === '1' ? 'e' : 'E' ).join(''));
+            }
+        });
+
+        return result.join('');
+    }
+
+    encodeToBinary( char, padding = 16 ) {
+        return char.charCodeAt(0).toString(2).padStart( padding, '0');
+    }
+}
+
+export default CetaceanCipherEncode;