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/mtlnovel/sources.json

@@ -0,0 +1,50 @@
+[
+  {
+    "id": "mtlnovel",
+    "sourceSite": "https://www.mtlnovels.com/",
+    "sourceName": "MTL Novel",
+    "options": {
+      "lang": "English"
+    }
+  },
+  {
+    "id": "mtlnovel-fr",
+    "sourceSite": "https://fr.mtlnovels.com/",
+    "sourceName": "MTL Novel (FR)",
+    "options": {
+      "lang": "French"
+    }
+  },
+  {
+    "id": "mtlnovel-es",
+    "sourceSite": "https://es.mtlnovels.com/",
+    "sourceName": "MTL Novel (ES)",
+    "options": {
+      "lang": "Spanish"
+    }
+  },
+  {
+    "id": "mtlnovel-id",
+    "sourceSite": "https://id.mtlnovels.com/",
+    "sourceName": "MTL Novel (ID)",
+    "options": {
+      "lang": "Indonesian"
+    }
+  },
+  {
+    "id": "mtlnovel-pt",
+    "sourceSite": "https://pt.mtlnovels.com/",
+    "sourceName": "MTL Novel (PT)",
+    "options": {
+      "lang": "Portuguese"
+    }
+  },
+  {
+    "id": "mtlnovel-ru",
+    "sourceSite": "https://ru.mtlnovels.com/",
+    "sourceName": "MTL Novel (RU)",
+    "options": {
+      "lang": "Russian"
+    }
+  }
+]