adding and fetching docs

src/stores/functions/encryption.js

@@ -0,0 +1,13 @@
+function norm_to_ascii(string){return unescape(encodeURIComponent(string))};
+function norm_to_unicode(string){return decodeURIComponent(escape(string))};
+function crypt_sym(string,k){return String.fromCharCode.apply(undefined,string.split("").map(function(c){return c.charCodeAt(0)^(k||13)}))};
+
+export function encrypt(string, key) {
+  //Encrypt a string
+  return btoa(crypt_sym(norm_to_ascii(string), key));
+}
+
+export function decrypt(string, key) {
+  //Decrypt a string
+  return crypt_sym(norm_to_unicode(atob(string)), key);
+}