Add README and Crates.io metadata

Signed-off-by: trivernis <trivernis@protonmail.com>

Cargo.toml

@@ -3,6 +3,10 @@ name = "xkcd-search"
 version = "0.1.0"
 authors = ["trivernis <trivernis@protonmail.com>"]
 edition = "2018"
+readme = "README.md"
+repository = "https://github.com/Trivernis/xkcd-search-rs"
+description = "Search for xkcd comics and retrieve metadata"
+license = "Apache-2.0"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

README.md

@@ -0,0 +1,23 @@
+# XKCD Search
+
+This crate provides functions to search for xkcd comics by title.
+
+## Usage
+
+```rust
+use xkcd_search;
+
+#[tokio::main]
+async fn main() {
+    let phone_entries = xkcd_search::search("Phone").await.unwrap();
+    let mut comics = Vec::new();
+    
+    for (_title, id) in phone_entries {
+        comics.push(xkcd_search::get_comic(id).await.unwrap())
+    }
+}
+```
+
+## License
+
+Apache-2.0