feat: integrate @tailwindcss/typography and enhance folder picker functionality

- Added @tailwindcss/typography dependency to package.json and tailwind.config.js.
- Updated FolderPicker.vue to include additional properties (isGitRepo, hasDocuments) for directories.
- Enhanced Sidebar.vue with folder creation and document handling features, including drag-and-drop functionality.
- Implemented createFolder and moveDocument mutations in gql.ts for managing folder and document operations.
- Added logic to handle folder creation and document creation prompts in Sidebar.vue.
- Updated the layout and interactions in Sidebar.vue to improve user experience.

ARCHITECTURE.md

@@ -367,18 +367,29 @@ Archivum/
 ```graphql
 type Query {
   systemStatus: SystemStatus!          # OK | REQUIRE_SETUP
+  serverDirectories(path: String): [ServerDirectory!]! # Listar mappar (inkl. isGitRepo)
   documents(prefix: String): [DocumentMeta!]!
   document(slug: String!): Document
+  folders: [String!]!                  # Listar alla mappvägar i repositoriet
   history(slug: String!): [CommitEntry!]!
   diff(slug: String!, fromHash: String!, toHash: String!): String!
 }
 
+type ServerDirectory {
+  name:   String!
+  path:   String!
+  isGitRepo: Boolean!
+  hasDocuments: Boolean!
+}
+
 type Mutation {
   setup(input: SetupInput!): Boolean!
   login(username: String!, password: String!): String!   # returnerar session-token
   logout: Boolean!
   saveDocument(input: SaveDocumentInput!): Document!
   deleteDocument(slug: String!): Boolean!
+  createFolder(path: String!): Boolean!                  # Skapar en ny mapp (katalog)
+  moveDocument(oldSlug: String!, newSlug: String!): Boolean!  # Flyttar ett dokument till en annan plats
 }
 ```