Simple Clap CLI Implementation

Added clap as a dependency to built the CLI in order to test the image crate through a simple to use command

.gitignore

@@ -8,3 +8,8 @@ Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
+
+
+# Added by cargo
+
+/target

Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "imgffs"
+version = "0.1.0"
+authors = ["Víctor Martínez <victorcoder2@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+name = "lib"
+
+[dependencies]
+image = "0.23.12"
+clap = "2.33.3"

src/cli/mod.rs

@@ -0,0 +1,28 @@
+use clap::{App, Arg};
+
+const HELP_TEMPLATE: &str = "{bin} v{version}
+
+-----------
+
+{about}
+
+{all-args}
+
+-----------
+
+(C) 2020 {author}
+
+{after-help}";
+
+/// This function builds the Command Line Application
+/// already with its metadata, args boundaries etc.
+pub fn build_cli() -> App<'static, 'static> {
+    App::new("Image Editor application")
+        .author(crate_authors!())
+        .version(crate_version!())
+        .about("Edit, transform, crop, rotate etc. an image with just one command")
+        .template(HELP_TEMPLATE)
+        .before_help("Thanks for using this app bro :)")
+        .after_help("Have a nice day!")
+        .arg(Arg::with_name("FILE").index(1).required(true))
+}

src/lib.rs

@@ -0,0 +1,4 @@
+#[macro_use]
+extern crate clap;
+
+pub mod cli;

src/main.rs

@@ -0,0 +1,10 @@
+extern crate clap;
+extern crate image;
+
+use lib::cli;
+
+fn main() {
+    let matches = cli::build_cli().get_matches();
+
+}
+