chore: adding crate package (#5)

Cargo.toml

@@ -1,9 +1,13 @@
 [package]
-name = "calendar"
+name = "rustical"
 version = "0.1.0"
 authors = ["Arthur Henrique <arthur393@gmail.com>"]
 edition = "2018"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+description = "⚡️ Lightning-fast and minimal calendar command line. It's similar to `cal` but simpler and uglier. Written in Rust 🦀"
+readme = "README.md"
+repository = "https://github.com/arthurhenrique/rustical"
+license-file = "LICENSE"
+keywords = ["calendar", "cal"]
+categories = ["command-line-utilities"]
 
 [dependencies]

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2021 Arthur Henrique
+
+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

@@ -1,23 +1,20 @@
 # rustical
 
-it's similar to `cal` cli but simpler and uglier.
+⚡️ Lightning-fast and minimal calendar command line. It's similar to `cal`.
+Written in Rust 🦀
 
-## dependencies
-
-+ rust
-
-## usage
+## How Can Install?
 
 ```sh
-cargo run <year>
+$ cargo install rustical
 ```
 
-## sample
+## Usage
 
-![usage](./doc/calendar-rust.png)
+```sh
+$ rustical <year>
+```
 
-## todo list
+## Hands On
 
-+ [ ] display months side by side (column 3 row 4 by default)
-+ [ ] tests
-+ [ ] create crate package
+![hands-on](./doc/rustical.gif)

src/main.rs

@@ -106,10 +106,10 @@ fn main() {
         println!("debug: {}", days_by_date(30, 3, 2021, m.clone(), y));
     }
 
-    println!("        {}       ", year);
+    println!("        {}", year);
     for month in 1..13 {
-        println!("       --{:02}--       ", month);
-        println!(" Su Mo Tu We Th Fr Sa ");
+        println!("       --{:02}--", month);
+        println!(" Su Mo Tu We Th Fr Sa");
         for day in 1..months[month] + 1 {
             // display trough first day
             if day == 1 {