refactor: Overhaul Plugin Architecture & Playground UI (#1846)

* refactor: Move Plugins Out and Consolidate with Multisrc

* feat: Overhaul Playground UI

* feat: Add Filters to New UI

* feat: Persist Selected Plugin

* feat: Add Direct Parse Novel/Chapter Options and Feedback Toasts

[skip ci]

* feat: UX Improvements

* chore: Update Plugin Path in Publish Workflow

* fix: Add Backward Compatibility

* chore: Update Plugin Publishing Script

plugins/multisrc/lightnovelworld/sources.json

@@ -0,0 +1,22 @@
+[
+    {
+        "id": "webnovelworld",
+        "sourceName": "Web Novel Pub",
+        "sourceSite": "https://www.webnovelworld.org/"
+    }, 
+    {
+        "id": "lightnovelworld",
+        "sourceName": "LightNovelWord",
+        "sourceSite": "https://www.lightnovelworld.com/"
+    },
+    {
+        "id": "lightnovelpubvip",
+        "sourceName": "LightNovelPub Vip",
+        "sourceSite": "https://lightnovelpub.vip/"
+    },
+    {
+        "id": "lightnovelcave",
+        "sourceName": "LightNovelCave",
+        "sourceSite": "https://www.lightnovelcave.com/"
+    }
+]