[elpa] externals/llm updated (d903c6ab75 -> 9fe2f7597d)

[ELPA Syncer]

elpasync pushed a change to branch externals/llm.

      from  d903c6ab75 Version 0.6 was not yet release, so upgrade to version 
0.6
       new  23616e6cf5 Upgrade Google Cloud Vertex to Gemini
       new  9fe2f7597d Add Gemini provider, an alternate and easier to use 
choice vs Vertex


Summary of changes:
 NEWS.org      |   4 ++
 README.org    |  15 ++++-
 llm-gemini.el | 126 +++++++++++++++++++++++++++++++++++++
 llm-vertex.el | 197 +++++++++++++---------------------------------------------
 llm.el        |  10 ++-
 5 files changed, 196 insertions(+), 156 deletions(-)
 create mode 100644 llm-gemini.el