added async stuff not pushed in the last commit

src/app/commands/build.rs

@@ -1,6 +1,6 @@
 use super::executions::build_execution::BuildExecution;
 
-pub fn build() -> () {
+pub async fn build() -> () {
     let mut build_execution = BuildExecution::new();
-    build_execution.execute().expect("build failed")
+    build_execution.execute().await.expect("build failed")
 }

src/app/commands/executions/build_execution.rs

@@ -25,14 +25,14 @@ impl BuildExecution {
         };
     }
 
-    pub fn execute(&mut self) -> Result<(), String> {
+    pub async fn execute(&mut self) -> Result<(), String> {
         let path = "./docs/".to_string();
 
         if !Self::directory_exists(&path) {
             return Err("docs directory does not exist it. Create it or use the template".to_string())
         }
 
-        if let Err(error) = Self::prepare() {
+        if let Err(error) = Self::prepare().await {
             return Err(error);
         } 
 
@@ -100,7 +100,7 @@ impl BuildExecution {
         self.build_file_and_status(&self.doc_builder, in_path, out_path, "doc");
     }
 
-    fn prepare() -> Result<(), String> {
+    async fn prepare() -> Result<(), String> {
         let reveal_version = "3.9.2";
         let target = format!("https://github.com/hakimel/reveal.js/archive/{reveal_version}.zip");
 

src/app/commands/install_reveal.rs

@@ -4,7 +4,7 @@ use crate::app::fs_util;
 
 const ASCIIDOC_REVEAL_VERSION: &str= "v4.1.0-rc.5";
 
-pub fn install_reveal() -> () {
+pub async fn install_reveal() -> () {
     let result = reqwest::blocking::get(url())
         .expect("Could not download reveal. Make sure you are connected to the internet");