misc: provider icons, tooltip in chat toolbar, conditionally display the "Open Skills Folder" button and update "Documentation" to "Website" in settings (#60)

src/i18n/locales/en/chat.json

@@ -9,5 +9,11 @@
         "creativeTasks": "Creative Tasks",
         "creativeTasksDesc": "Writing, brainstorming, ideas"
     },
-    "noLogs": "(No logs available yet)"
+    "noLogs": "(No logs available yet)",
+    "toolbar": {
+        "newSession": "New session",
+        "refresh": "Refresh chat",
+        "showThinking": "Show thinking",
+        "hideThinking": "Hide thinking"
+    }
 }

src/i18n/locales/en/settings.json

@@ -128,7 +128,7 @@
         "tagline": "Graphical AI Assistant",
         "basedOn": "Based on OpenClaw",
         "version": "Version {{version}}",
-        "docs": "Documentation",
+        "docs": "Website",
         "github": "GitHub"
     }
 }

src/i18n/locales/en/skills.json

@@ -56,7 +56,8 @@
         "failedSave": "Failed to save configuration",
         "failedOpenFolder": "Failed to open skills folder",
         "failedInstall": "Failed to install",
-        "failedUninstall": "Failed to uninstall"
+        "failedUninstall": "Failed to uninstall",
+        "failedFolderNotFound": "Skills folder does not exist yet. Install a skill first."
     },
     "marketplace": {
         "title": "Marketplace",