Feat: minor docs improvements for RLHF and faq on embeddings (#2401) [skip ci]

* feat: add doc on shrink_embeddings and custom calling

* chore: rename inference doc

* fix: clarify same config is used for all cli

* chore: rearrange order inference qmd

* feat: add simpo to doc

* fix: update defaults

* feat: add rl configs to doc

* fix: ensure beta consistent with trl.beta

* fix: clarify about lora/fft

* chore: rename title

* chore: fix language

* feat: move config reference higher

* Update docs/getting-started.qmd

Co-authored-by: salman <salman.mohammadi@outlook.com>

* Update docs/rlhf.qmd

Co-authored-by: salman <salman.mohammadi@outlook.com>

---------

Co-authored-by: salman <salman.mohammadi@outlook.com>

_quarto.yml

@@ -32,8 +32,9 @@ website:
           contents:
             - docs/getting-started.qmd
             - docs/installation.qmd
-            - docs/cli.qmd
             - docs/inference.qmd
+            - docs/cli.qmd
+            - docs/config.qmd
 
         - section: "Dataset Formats"
           contents: docs/dataset-formats/*
@@ -74,10 +75,6 @@ website:
             - docs/debugging.qmd
             - docs/nccl.qmd
 
-        - section: "Reference"
-          contents:
-            - docs/config.qmd
-
 format:
   html:
     theme: darkly