Release version 0.1.0.0 (#727)

- bump Swarm version in Cabal
- write CHANGELOG for the first release

CHANGELOG.md

@@ -1,7 +1,19 @@
 # Revision history for swarm
 
-## 0.0.0.1 -- YYYY-mm-dd
+## **0.1.0.0** - 2022-10-06
 
-* Pre-alpha version.
-* This is a __placeholder__ until swarm is released.
-* Please replace this with an actual release.
+First Swarm release! Swarm already has:
+
+- a programming language based on the polymorphic
+  lambda calculus + recursion, with a command monad for describing
+  first-class imperative actions
+- scenarios which can be loaded from YAML files
+  - the release comes with official challenges and an in-game tutorial
+  - the default Classic and Creative modes use the same YAML syntax
+  - we include JSON schemas for editor support when writing scenarios 
+- procedural 2D world generation
+- LSP server built into the Swarm executable
+- Terminal UI interface
+  - running the executable opens the Main menu by default
+  - game screen with a world view, inventory and REPL
+    - popup windows for messages, challenge descriptions, etc.

swarm.cabal

@@ -1,6 +1,6 @@
 cabal-version:      2.4
 name:               swarm
-version:            0.0.0.1
+version:            0.1.0.0
 synopsis:           2D resource gathering game with programmable robots
 
 description:        Swarm is a 2D programming and resource gathering