[elpa] externals/llm updated (a0d15b8a8e -> 518757bcf3)

[ELPA Syncer]

elpasync pushed a change to branch externals/llm.

      from  a0d15b8a8e Fix test which had the previous incorrect gpt-4o context 
len
       new  6cf3fd2320 Bump version to 0.16.2
       new  eadde59c9a Add llm-prompt, a module for constructing and storing 
prompts
       new  518757bcf3 Bump version to 0.17.0


Summary of changes:
 NEWS.org           |   5 +
 README.org         | 112 ++++++++++++++++++++++-
 llm-gemini.el      |   5 -
 llm-prompt-test.el | 179 ++++++++++++++++++++++++++++++++++++
 llm-prompt.el      | 261 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 llm-vertex.el      |  36 --------
 llm.el             |   2 +-
 7 files changed, 557 insertions(+), 43 deletions(-)
 create mode 100644 llm-prompt-test.el
 create mode 100644 llm-prompt.el