Update README.md

Author: jllllll

README.md

@@ -1,11 +1,24 @@
 # llama-cpp-python cuBLAS wheels
 Wheels for llama-cpp-python compiled with cuBLAS support.
 
+Currently, only includes 0.1.62 and 0.1.66.
+
 Requirements:
 - Windows and Linux x86_64
 - CUDA 11.6 - 12.1
 - CPython 3.7 - 3.11
 
--install instructions placeholder-
+Installation instructions:
+---
+To install, you can use this command:
+```
+python -m pip install llama-cpp-python==0.1.66+cu117 --find-links=https://jllllll.github.io/llama-cpp-python-cuBLAS-wheels/cu117
+```
+This will install llama-cpp-python 0.1.66 for CUDA 11.7. You can change both instances of `cu117` to change the CUDA version.
 
+An example for installing 0.1.62 for CUDA 12.1:
+```
+python -m pip install llama-cpp-python==0.1.62+cu121 --find-links=https://jllllll.github.io/llama-cpp-python-cuBLAS-wheels/cu121
+```
+---
 ### All wheels are compiled using GitHub Actions