doc: update readme

Author: mattyg

README.md

@@ -6,33 +6,35 @@ A prefix index is useful for typeahead "search" functionality.
 
 ## Usage
 
-1. Include the prefix_index crate in your coordinator zome's Cargo.toml:
+1. Include the hc_prefix_index crate in your coordinator zome's Cargo.toml:
 
 ```toml
 [dependencies]
 ...
-prefix_index = { git = "https://github.com/mattyg/holochain-prefix-index" module = "prefix_index" }
+hc_prefix_index = "=0.9.0"
 ```
 
-2. Include the prefix_index crate in your integrity zome's Cargo.toml and create a link type for the index:
+2. Include the hc_prefix_index crate in your integrity zome's Cargo.toml
+
+3. Create a link type for the index:
 ```rust
 #[hdk_link_types]
 enum LinkTypes {
     PrefixIndex
 }
 ```
 
-3. Add the prefix index validation functions to your validate match arm for CreateLink and DeleteLink on LinkTypes::PrefixIndex
+4. Add the prefix index validation functions to your validate match arm for CreateLink and DeleteLink on LinkTypes::PrefixIndex
 
-3. Setup a prefix index
+5. Setup a prefix index
 
 ```rust
 use prefix_index::PrefixIndex;
 
 let index = PrefixIndex::new("demo_index".into(), LinkTypes::PrefixIndex, 3, 3)?;
 ```
 
-4. Add some results to the index:
+6. Add some results to the index:
 ```rust
 index.add_result("superdupercool");
 index.add_result("superdupercrazy");
@@ -42,7 +44,7 @@ index.add_result("SUPERDUPER");
 
 ```
 
-5. This will generate an index of links for the strings as follows:
+7. This will generate an index of links for the strings as follows:
 
 ```mermaid
 flowchart LR
@@ -54,7 +56,7 @@ flowchart LR
     B --> J[ers] --> K[atu] --> L[supersaturates]
 ```
 
-6. Now you can search the index using DFS.
+8. Now you can search the index using DFS.
 ```rust
 index.get_results("sup", 10);
 // [