doc: update CONTRIBUTING.md formatting and context guidelines

Signed-off-by: Yuki Kishimoto <[email protected]>

Author: yukibtc

CONTRIBUTING.md

@@ -6,9 +6,9 @@ Before writing code, please read [our code style](./CODE_STYLE.md).
 
 To contribute a patch:
 
-* Fork Repository 
-* Create topic branch 
-* Commit patches (PR, emails, ...)
+- Fork Repository 
+- Create topic branch 
+- Commit patches (PR, emails, ...)
 
 In general commits should be atomic and diffs **easy to read**.
 
@@ -24,21 +24,18 @@ The commit **must** be formatted as following:
 
 If applicable, link the `issue`/`PR` to be closed with:
 
-* Closes <url>
-* Fixes <url>
+- Closes <url>
+- Fixes <url>
 
 The `context` **must be**:
 
-* `nostr` for changes to the `nostr` crate
-* `sdk`, `cli`, `pool`, `connect`, `nwc` and so on for the others crates (remote the `nostr-` prefix)
-* `ffi` for changes to `UniFFI` bindings
-* `js` for changes to `JavaScript` bindings
-* `test` for changes to the unit tests
-* `doc` for changes to the documentation
-* `contrib` for changes to the scripts and tools
-* `ci` for changes to the CI code
-* `refactor` for structural changes that do not change behavior
-* `book` if changes are related to the `book`
+- `nostr` for changes to the `nostr` crate
+- `sdk`, `cli`, `relay-pool`, `connect`, `nwc` and so on for the others crates (remote the `nostr-` prefix)
+- `test` for changes to the unit tests
+- `doc` for changes to the documentation
+- `contrib` for changes to the scripts and tools
+- `ci` for changes to the CI code
+- `refactor` for structural changes that do not change behavior
 
 ### Examples
 
@@ -64,21 +61,6 @@ nwc: add `pay_multiple_invoices` support
 Closes https://<domain>.com/rust-nostr/nostr/issue/2222
 ```
 
-```
-ffi: expose `EventBuilder::mute_list`
-```
-
-```
-ffi: add `AbortHandle`
-
-- Return `AbortHandle` in `Client::handle_notifications`
-- Another change...
-```
-
-```
-js: replace log `file path` with `module path`
-```
-
 ## Deprecation policy
 
 Where possible, breaking existing APIs should be avoided.