fixed typo in README and added documentation

Cargo.toml

@@ -10,6 +10,7 @@ repository = "https://github.com/0x6e66/pangaea"
 homepage = "https://github.com/0x6e66/pangaea"
 include = ["src", "Cargo.toml", "README.md", "LICENSE"]
 keywords = ["data_publisher", "pangaea", "geo_data"]
+documentation = "https://docs.rs/pangaea/"
 
 
 [dependencies]

README.md

@@ -6,7 +6,7 @@ Run `cargo add pangaea` or add `pangaea = "0.1.0"` to your dependencies
 ## Get metadata for a specific PANGAEA dataset
 ```rust
 use std::{fs::File, io::Write};
-use pangaea_rs::elastic::elastic_doc;
+use pangaea::elastic::elastic_doc;
 
 #[tokio::main]
 pub async fn main() {
@@ -22,7 +22,7 @@ pub async fn main() {
 ## Search for multiple datasets
 ```rust
 use std::{fs::File, io::Write};
-use pangaea_rs::elastic::elastic_search;
+use pangaea::elastic::elastic_search;
 
 #[tokio::main]
 pub async fn main() {
@@ -43,7 +43,7 @@ pub async fn main() {
 
 ## Download the actual data associated with the dataset
 ```rust
-use pangaea_rs::download_data::download_data_by_id;
+use pangaea::download_data::download_data_by_id;
 
 #[tokio::main]
 async fn main() {