Add release date.

Author: LeFnord

CHANGELOG.md

@@ -3,12 +3,15 @@
 #### Features
 
 * Your contribution here.
-* [#777](https://github.com/ruby-grape/grape-swagger/pull/777): Make usage of grape >= 1.3, rack >= 2.1 - [@LeFnord](https://github.com/LeFnord).
-* [#775](https://github.com/ruby-grape/grape-swagger/pull/775): Add in token_owner support to param hidden procs - [@urkle](https://github.com/urkle).
 
 #### Fixes
 
-* Your contribution here.
+### 1.0.0 (February 10, 2020)
+
+#### Features
+
+* [#777](https://github.com/ruby-grape/grape-swagger/pull/777): Make usage of grape >= 1.3, rack >= 2.1 - [@LeFnord](https://github.com/LeFnord).
+* [#775](https://github.com/ruby-grape/grape-swagger/pull/775): Add in token_owner support to param hidden procs - [@urkle](https://github.com/urkle).
 
 ### 0.34.2 (January 20, 2020)