Bump to v0.9.3 — color themes, font size, settings polish

7 color themes (Midnight, Light, Catppuccin Mocha, Tokyo Night, Gruvbox,
Ethereal, Hackerman), font size presets (Small/Normal/Large/Extra Large),
collapsible muted accounts list, removed old sidebar connection indicator.

src-tauri/Cargo.lock

@@ -6157,7 +6157,7 @@ dependencies = [
 
 [[package]]
 name = "wrystr"
-version = "0.9.1"
+version = "0.9.3"
 dependencies = [
  "keyring",
  "rusqlite",

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "wrystr"
-version = "0.9.2"
+version = "0.9.3"
 description = "Cross-platform Nostr desktop client with Lightning integration"
 authors = ["hoornet"]
 edition = "2021"

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "Wrystr",
-  "version": "0.9.2",
+  "version": "0.9.3",
   "identifier": "com.hoornet.wrystr",
   "build": {
     "beforeDevCommand": "npm run dev",