Add changelog for version 2.0.4 [skip ci]

Author: actions-user

CHANGELOG.md

@@ -1,7 +1,16 @@
 ## Changes in this release
 
-* Prep for 2.0.3 (9599dbd)
-* Fixed bar chart rendering (25405da)
-* Optimized core files (34cdf5b)
-* Tooltip enhancements and bug fixes (5c7767f)
-* Fixed link (3d67541)
+* Prep for 2.0.4 (2acc343)
+* Fixed state issues (fcb1cb5)
+* Fixed crosshair color support (facbf1c)
+* Added theme support (1c22cf7)
+* Stats and zero line now customizable (c9ff477)
+* Modified stats and zero line to use existing svg overlay (f2475ca)
+* Updated coordinate system for panel crosshair (59901de)
+* #87 (fcf9f67)
+* #87 (de6f915)
+* issue 89, issue 94, issue 84(duplicate) (ed8d59e)
+* issue 95 (94c9953)
+* Issue 90 (3be68d2)
+* Updated URL for VK VC (cb51fb0)
+* Optimized remaining files (6d2e19d)