docs: extend integration docs & README (#456)

Signed-off-by: Panos Vagenas <35837085+vagenas@users.noreply.github.com>

mkdocs.yml

@@ -52,8 +52,8 @@ theme:
     - search.suggest
     - toc.follow
 nav:
-  - Get started:
-    - Home: index.md
+  - Home:
+    - "🦆 Docling": index.md
     - Installation: installation.md
     - Usage: usage.md
     - CLI: cli.md
@@ -85,10 +85,13 @@ nav:
     #   - CLI: examples/cli.md
   - Integrations:
     - Integrations: integrations/index.md
+    - "🐝 Bee": integrations/bee.md
     - "Data Prep Kit": integrations/data_prep_kit.md
     - "DocETL": integrations/docetl.md
+    - "🐶 InstructLab": integrations/instructlab.md
     - "Kotaemon": integrations/kotaemon.md
-    - "LlamaIndex 🦙": integrations/llamaindex.md
+    - "🦙 LlamaIndex": integrations/llamaindex.md
+    - "Prodigy": integrations/prodigy.md
     - "spaCy": integrations/spacy.md
     # - "LangChain 🦜🔗": integrations/langchain.md
   # - API reference: