Updated Images / PDFs + Misc Changes (#3780)

* Update
- Misc & consistency changes.

* Update
- Implement suggestions for contribute guide.

* Update
- More image link updates.

* Update
- Update all .pdf entries.

* Update
- Fixes

* Update

* Update

* Update
- Update feedback component.
- Small fix.

* Update

* Update
- Finishing touches.

* Update

docs/social-media-tools.md

@@ -159,7 +159,8 @@
 * ⭐ **[Reddit Stream](https://reddit-stream.com/)** - Live Thread Viewer
 * ⭐ **[Reddit Enhancement Suite](https://redditenhancementsuite.com/)**, [Reddit++](https://greasyfork.org/en/scripts/490046), [Reddit Fix](https://greasyfork.org/en/scripts/404497-reddit-fix), [Reddit Extension](https://lawrenzo.com/p/reddit-extension), [RedditEnhancer](https://github.com/joelacus/RedditEnhancer) or [RedditMod2](https://greasyfork.org/en/scripts/29724-redditmod2) - Reddit Enhancement Extensions / Scripts
 * ⭐ **[Old Reddit Redirect](https://github.com/tom-james-watson/old-reddit-redirect)** - Redirect New Reddit to Old
-* [Redlib](https://github.com/redlib-org/redlib-instances/blob/main/instances.md) / [2](https://github.com/libreddit/libreddit-instances/blob/master/instances.md) or [Photon](https://photon-reddit.com/), [RDX](https://rdx.overdevs.com/) - Reddit Frontends
+* ⭐ **[Newsit](https://newsit.benwinding.com/)** - Webpage Comments Widget / [GitHub](https://github.com/benwinding/newsit)
+* [Redlib](https://github.com/redlib-org/redlib-instances/blob/main/instances.md) / [2](https://github.com/libreddit/libreddit-instances/blob/master/instances.md), [Photon](https://photon-reddit.com/) or [RDX](https://rdx.overdevs.com/) - Reddit Frontends
 * [Redditp](https://redditp.com/) or [Reddit Viewer](https://reddit-viewer.com/) - Reddit TikTok Style Viewers
 * [Beleave](https://beleave.virock.org/) or [SubCleaner](https://www.subcleaner.com/) - Subreddit Cleaners / Managers
 * [Reddit Comber](https://redditcomber.com/) or [Sub Notification](https://redd.it/5mz9z5) - Reddit Keyword Notifications
@@ -172,7 +173,6 @@
 * [Reddit Emojis](https://greasyfork.org/en/scripts/443011) - Emojis for Old Reddit
 * [Subreddit Tabs](https://greasyfork.org/en/scripts/460086) - Subreddit Icon Tabs
 * [Reddit Comment Highlights](https://github.com/aesy/reddit-comment-highlights) - Highlight New Comments
-* [Newsit](https://github.com/benwinding/newsit) - Find Reddit Comments for any Webpage
 * [infini.wtf](https://infini.wtf/) - Reddit Image Search
 * [Load Reddit Images Directly](https://github.com/nopperl/load-reddit-images-directly) - Direct Image Viewer
 * [When to Post](https://andreasbm.github.io/when-to-post-on-reddit/) - Best Reddit Posting Times
@@ -430,7 +430,7 @@
 
 ## ▷ YouTube Search
 
-* 🌐 **[YT Channel Spreadsheet](https://docs.google.com/spreadsheets/d/1xZm5BcQTYJx8sfSuqHExHtIOPtSfod8beHKtYzp8DxE/)** or **[YouTube_Channels](https://github.com/PrejudiceNeutrino/YouTube_Channels)** - YouTube Channel Index
+* 🌐 **[YT Channel Spreadsheet](https://docs.google.com/spreadsheets/d/1xZm5BcQTYJx8sfSuqHExHtIOPtSfod8beHKtYzp8DxE/)** or **[YouTube_Channels](https://github.com/PrejudiceNeutrino/YouTube_Channels)** - YouTube Channel Indexes
 * ⭐ **[Favoree](https://www.favoree.io/)** or [ChannelCrawler](https://channelcrawler.com/) - Discover / Search YouTube Channels
 * ⭐ **[YouTube Advanced Search](https://playlists.at/youtube/search/)** - Search Engine
 * ⭐ **[Filmot](https://filmot.com/)** or [CTRL-F-VIDEO](https://github.com/Evan-Wildenhain/CTRL-F-VIDEO) - Search within YouTube Transcripts / [Firefox](https://addons.mozilla.org/en-US/firefox/addon/youtube-captions-search/) / [Chrome](https://chromewebstore.google.com/detail/youtube-captions-search/kimbeggjgnmckoikpckibeoaocafcpbg)