docs: update v9.2 and v9.2 changelogs

---------

Co-authored-by: Jostein Solaas <[email protected]>

docs/docs/changelog/v9-2.md

@@ -0,0 +1,14 @@
+---
+slug: "v9-2-release"
+title: "v9.2"
+authors: ecalc-team
+tags: [ release, eCalc ]
+sidebar_position: -37
+---
+
+# eCalc v9.2
+
+## Bug Fixes
+
+* Flow diagram generation has been changed. It should now work for all valid models, but it has been simplified.
+  Consumer systems will no longer be clickable, i.e. consumers in a system are no longer shown.

docs/docs/changelog/v9-3.md

@@ -2,7 +2,7 @@
 slug: "v9.3-release"
 title: "v9.3"
 authors: ecalc-team
-tags: [release, eCalc]
+tags: [ release, eCalc ]
 sidebar_position: -38
 ---
 
@@ -12,4 +12,9 @@ sidebar_position: -38
 
 ## Bug Fixes
 
-## Breaking changes
+* Fixed bug where comparison of 2 eCalc models failed when they had different START and END times
+* Fixed a bug where electrical consumers were allowed to have duplicate names. Also added name/reference validation for
+  MODELS, FACILITY_INPUT, TIME_SERIES, FUEL_TYPEs and EMISSIONS names.
+* Fixed error message for missing resources (FILE keyword) in TIME_SERIES.
+
+## Breaking changes