📝 Add README

Author: UltiRequiem

LICENSE.md

@@ -0,0 +1,21 @@
+# MIT License
+
+Copyright (c) 2021 Eliaz Bobadilla
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Fibonacci
+
+[![GitMoji](https://img.shields.io/badge/Gitmoji-%F0%9F%8E%A8%20-FFDD67.svg)](https://gitmoji.dev)
+[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
+![Lines Of Code](https://img.shields.io/tokei/lines/github.com/UltiRequiem/fibonacci-deno?color=blue&label=Total%20Lines)
+![CodeQL](https://github.com/UltiRequiem/fibonacci-deno/workflows/CodeQL/badge.svg)
+
+Port of [fibonacci-go](https://github.com/UltiRequiem/fibonacci) for [Deno](https://deno.land).
+
+> Utilities for the Fibonacci Number and Sequence
+
+## Usage
+
+```typescript
+
+```
+
+### CLI Tool
+
+This project contains a cli tool, it is made to give an example of use mainly.
+
+Install it:
+
+```bash
+ deno install
+```
+
+For more info check [this](https://deno.land/manual/tools/script_installer).
+
+### License
+
+[This package](https://deno.land/x/fibonacci) is licensed under the [MIT License](./LICENSE.md).

cli.ts

@@ -5,6 +5,15 @@ import { fibonacci, fibonacciSequence } from "./mod.ts";
 function Exec() {
   const { number, sequence } = parse(Deno.args);
 
+  if (!number && !sequence) {
+    const help = `Options:
+  --number    Print the Nth Fibonacci Number                                    
+  --sequence  Print an array with the first N numbers in the Fibonacci sequence`;
+
+    console.log(help);
+    return;
+  }
+
   if (number && sequence) {
     console.log("You can't use number and sequence flag at the same time!");
     return;