docs: savetiddlers extension is now Firefox-only (#9524)

* tw5.com: removed Chrome browser from savetiddlers

Was deprecated in early 2025, and is now Firefox-only

Additional changes:
* Lowercased buggyj in line with how the name is used elsewhere on tw5.com and the rest of the internet
* Pulled url from the url field (following the example of Timimi resource tiddler)
* Changed formatting of title to match other community resources

* tw5.com: update French & Japanese savetiddlers plugin docs to note it is now Firefox-only

Please note this update was validated using machine translation

editions/ja-JP/tiddlers/community/resources/_savetiddlers_ Extension for Chrome and Firefox by buggyj.tid

@@ -1,18 +0,0 @@
-caption: savetiddlers
-color: #4DB6AC
-community-author: Buggyj
-created: 20171109171935039
-delivery: Browser Extension
-description: ChromeとFirefoxのブラウザ拡張機能
-method: save
-modified: 20241014110546647 
-original-modified: 20210106151027189
-tags: Chrome Firefox Saving [[Other Resources]] plugins
-title: "savetiddlers" Extension for Chrome and Firefox by buggyj
-ja-title: buggyjによるChromeとFirefoxの"savetiddlers"拡張機能
-type: text/vnd.tiddlywiki
-url: https://github.com/buggyj/savetiddlers
-
-Google ChromeとMozilla Firefoxの拡張機能で、TiddlyWikiの組み込み[[HTML5セーバー|Saving with the HTML5 saver]]による使いにくさの一部を解消し、正しく設定すればTiddlyFoxとほぼ同じくらい簡単に使用できるようになります。
-
-https://github.com/buggyj/savetiddlers

editions/ja-JP/tiddlers/community/resources/_savetiddlers_ Extension for Firefox by buggyj.tid

@@ -0,0 +1,18 @@
+caption: savetiddlers
+color: #4DB6AC
+community-author: buggyj
+created: 20171109171935039
+delivery: Browser Extension
+description: Firefoxのブラウザ拡張機能
+method: save
+modified: 20250809092435788
+original-modified: 20250809092435788
+tags: Firefox Saving [[Other Resources]] plugins
+title: savetiddlers: Extension for Firefox by buggyj
+ja-title: buggyjによるFirefoxの"savetiddlers"拡張機能
+type: text/vnd.tiddlywiki
+url: https://github.com/buggyj/savetiddlers
+
+Mozilla Firefoxの拡張機能で、TiddlyWikiの組み込み[[HTML5セーバー|Saving with the HTML5 saver]]による使いにくさの一部を解消し、正しく設定すれば[[TiddlyFox]]とほぼ同じくらい簡単に使用できるようになります。
+
+{{!!url}}