Add Save to Raindrop.io to community_buttons

Update main README with existing community_buttons and new button.
Expand usage description.

README.md

@@ -10,9 +10,17 @@ Orion is modern, high performance, WebKit based, zero-telemetry browser for Appl
 
 ## Programmable Button demos
 
-Usage:
-- Right click and copy the link to the button. 
-- Right click Orion toolbar and select "Import Button from URL". 
+Usage: 
+
+Import a button from URL
+- Control-click (right-click) a button link, then choose Copy Link.
+- Control-click the Orion toolbar and select "Import Button from URL".
+- Paste the copied URL, then click Import.
+
+Import a button from file
+- Prepare button.plist file (download one below, export from another Orion instance). 
+- Control-click Orion toolbar and select "Import Button from File".
+- Choose the file, then click Open.
 
 ### Browser interaction buttons
 
@@ -37,7 +45,10 @@ Currently available are:
 - [Copy page link as Markdown](https://github.com/OrionBrowser/ProgrammableButtons/blob/main/community_buttons/Copy%20page%20link%20as%20Markdown.plist): Copies the page link as a Markdown link.
 - [Discuss document or page](https://github.com/OrionBrowser/ProgrammableButtons/blob/main/community_buttons/Discuss%20doc%20or%20page.plist): Ask questions or discuss a document or page via AI chat.
 - [Remove YT playlist URL](https://github.com/OrionBrowser/ProgrammableButtons/blob/main/community_buttons/Remove%20YT%20Playlist%20URL.plist): Remove the playlist part of the YouTube video URL.
-
+- [Open in Internet Archive](https://github.com/OrionBrowser/ProgrammableButtons/blob/main/community_buttons/Open%20in%20Internet%20Archive.plist): Open current page in Internet Archive.
+- [Text to Speech](https://github.com/OrionBrowser/ProgrammableButtons/blob/main/community_buttons/Text%20to%20Speech.plist): Read highlighted text using Mac native Speech.
+- [Send Tabs to Firefox](https://github.com/OrionBrowser/ProgrammableButtons/blob/main/community_buttons/Send%20Tabs%20to%20Firefox.plist): Open all Orion Browser tabs in Firefox.
+- [Save page link to Raindrop.io](Save%20to%20Raindrop.io.plist): Save page link to your Raindrop.io account with working keyboard shortcut.
 ## Demo
 
 Cick the thumbnail to watch the video.

community_buttons/README.md

@@ -2,11 +2,15 @@ This folder is for community-made programmable buttons. Use at your own risk.
 
 We welcome contributions!
 
-- [Copy page link as Markdown](Copy%20page%20link%20as%20Markdown.plist): Copies the page's URL as a Markdown link to your clipboard
+- [Copy page link as Markdown](Copy%20page%20link%20as%20Markdown.plist): Copies the page's URL as a Markdown link to your clipboard.
 - [Discuss doc or page](Discuss%20doc%20or%20page.plist): Discuss document/page content via AI chat.
-- [Remove YT Playlist URL](Remove%20YT%20Playlist%20URL.plist): YT playlist removal from URL button
-- [Kagi Summarize](Kagi%20Summarize.plist): Open current page in Kagi Universal Summarizer
-- [Open in Internet Archive](Open%20in%20Internet%20Archive.plist): Open current page in Internet Archive
-- [Text to Speech](Text%20to%20Speech.plist): Read highlighted text using Mac native Speech
-- [Send Tabs to Firefox](Send%20Tabs%20to%20Firefox.plist): Open all Orion Browser tabs in Firefox
-- [Send RC Tabs to Firefox](Send%20Tabs%20to%20Firefox.plist): Open all Orion RC Browser tabs in Firefox
+- [Remove YT Playlist URL](Remove%20YT%20Playlist%20URL.plist): YT playlist removal from URL button.
+- [Kagi Summarize](Kagi%20Summarize.plist): Open current page in Kagi Universal Summarizer.
+- [Open in Internet Archive](Open%20in%20Internet%20Archive.plist): Open current page in Internet Archive.
+- [Text to Speech](Text%20to%20Speech.plist): Read highlighted text using Mac native Speech.
+- [Send Tabs to Firefox](Send%20Tabs%20to%20Firefox.plist): Open all Orion Browser tabs in Firefox.
+- [Send RC Tabs to Firefox](Send%20Tabs%20to%20Firefox.plist): Open all Orion RC Browser tabs in Firefox.
+- [Save page link to Raindrop.io](Save%20to%20Raindrop.io.plist): Save page link to Raindrop.io. Tap button or press (⌃⌥s) to save bookmark. 
+    - Edit keyboard shortcut: right-click button choose Edit, click "Keyboard Shorctus" and add your combination, then click Save.
+    - It might be easier to login through website or official extension before use.
+    - Use alone or with official Raindrop Firefox extension.