Add embed docs

src/embed-docs.txt

@@ -0,0 +1,18 @@
+Embed formatting:
+
+```toml
+owo embed
+author = ["author's name", "link to author's icon"]     # you can pass an empty string for either
+colour = "ff0000"                                       # color in hex format
+description = "embed decription"
+fields = [
+  ["name", "value", inline],                     # inline is boolean; name can be up to 256 chars, value up to 1024
+      ...
+]
+footer = [ "footer text", "link to footer icon" ]       # you can pass an empty string for either
+image = "link to image"
+thumbnail = "link to image"
+timestamp = "YYYY-MM-DDTHH:MM:SS"                       # ISO 8601 format
+title = "title text"
+url = "title link (not required)"
+```

src/main.rs

@@ -253,6 +253,7 @@ fn host(ctx: &mut Context, message: &Message) -> CommandResult {
 fn embed(ctx: &mut Context, message: &Message, args: Args) -> CommandResult {
     use serde::Deserialize;
     use serenity::utils::Colour;
+    use std::{fs, io::prelude::*};
 
     #[derive(Deserialize)]
     struct EmbedProperties {
@@ -268,7 +269,17 @@ fn embed(ctx: &mut Context, message: &Message, args: Args) -> CommandResult {
         url: Option<String>,
     }
 
-    let input_embed: EmbedProperties = match toml::from_str(args.rest().trim()) {
+    if &args.rest().trim().to_string() == "help" {
+        let mut file = fs::File::open("./src/embed-docs.txt")?;
+        let mut help_string = String::new();
+        file.read_to_string(&mut help_string)?;
+
+        let _ = message.channel_id.say(&ctx.http, help_string);
+
+        return Ok(());
+    }
+
+    let input_embed: EmbedProperties = match toml::from_str(&args.rest().trim()) {
         Ok(v) => v,
         Err(e) => {
             return Err(CommandError(format!("Deserialization error: {:?}", e)));