doc: update readme

README.md

@@ -31,23 +31,16 @@ HTTP headers.
 Hierarchy of arangors:
 > connection -> databases -> collections -> documents/edges
 
-## Features
-
-By now, the available features of arangors are:
-
-- make connection to ArangoDB
-- get list of databases and collections
-- fetch database and collection info
-- create and delete database or collections
-- full featured AQL query
-- support both `async` and sync
-
-## Abilities & TODO
+## Features & TODO
 
+- [X] make connection to ArangoDB
+- [X] get list of databases and collections
+- [X] fetch database and collection info
+- [X] create and delete database or collections
+- [X] full featured AQL query
 - [X] Synchronous connection based on `reqwest` and full featured AQL query.
-- [X] Fill the unimplemented API in `Connection`, `Database`, `Collection` and
-`Document`.
-- [X] Implement both sync and async client.
+- [X] Fill the unimplemented API in `Connection`, `Database`, `Collection` and `Document`.
+- [X] support both `async` and sync client
 - [X] Offers a way to use custom HTTP client ecosystem.
 - [X] Index Management (since 0.4.3)
 - [X] Graph Management (since 0.4.5)