docs: update changelog and site version for v1.2.0

Author: umputun

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Changelog
 
+## v1.2.0 - 2026-05-11
+
+### New Features
+
+- add --untracked flag to show untracked files in the tree #178 @umputun
+
+### Bug Fixes
+
+- tree/TOC wheel scrolls one entry per notch (not three) #181 @umputun
+- coalesce diff-pane wheel events to unblock reverse scroll (#179) #180 @umputun
+
 ## v1.1.1 - 2026-05-08
 
 ### Improvements

site/index.html

@@ -40,7 +40,7 @@
             "name": "umputun",
             "url": "https://github.com/umputun"
         },
-        "softwareVersion": "1.1.1",
+        "softwareVersion": "1.2.0",
         "downloadUrl": "https://github.com/umputun/revdiff/releases",
         "codeRepository": "https://github.com/umputun/revdiff"
     }
@@ -134,7 +134,7 @@
 <main>
 <header class="hero">
     <div class="hero-content">
-        <div class="hero-badge">v1.1.1 <span class="hero-badge-sep">/</span> open source</div>
+        <div class="hero-badge">v1.2.0 <span class="hero-badge-sep">/</span> open source</div>
         <h1>Review diffs, files, and documents<br>right in your terminal</h1>
         <p class="hero-sub">Code review for AI agents, Claude Code, and pi. Annotate diffs, plans, and documents in a TUI. Structured output on quit, ready for AI agents, scripts, or any tool.</p>
         <div class="hero-actions">