Release v0.9.0 (#206)

* tidy changelog and update version

Author: gammazero

CHANGELOG.md

@@ -15,6 +15,20 @@ The following emojis are used to highlight certain changes:
 
 ### Added
 
+### Changed
+
+### Fixed
+
+### Removed
+
+### Fixed
+
+### Security
+
+## [v1.9.0]
+
+### Added
+
 - Added endpoints to show and purge connected peers [#194](https://github.com/ipfs/rainbow/pull/194)
 - Added flags to configure bitswap/routing tuning params:
   - `routing-max-requests`
@@ -28,12 +42,6 @@ The following emojis are used to highlight certain changes:
 - passing headers that require authorization but are not authorized now results in an HTTP 401 instead of ignoring those headers
 - Bitswap settings: Increased default content-discovery limits, with up to 100 in-flight requests.
 
-### Removed
-
-### Fixed
-
-### Security
-
 ## [v1.8.3]
 
 ### Changed

version.json

@@ -1,3 +1,3 @@
 {
-  "version": "v1.8.3"
+  "version": "v1.9.0"
 }