chore: update documentation and dependencies for brainpy.state module (#822)

Author: chaoming0625

docs/api.rst

@@ -20,6 +20,7 @@ API Documentation
    apis/optim.rst
    apis/running.rst
    apis/mixin.rst
+   ``brainpy.state`` module <https://brainpy-state.readthedocs.io/api/index.html>
 
 The following APIs will no longer be maintained in the future, but you can still use them normally.
 

docs/index.rst

@@ -157,5 +157,3 @@ See also the ecosystem
    FAQ.rst
    api.rst
    changelog.md
-   brainpy-changelog.md
-   brainpylib-changelog.md

docs/quickstart/simulation.ipynb

@@ -53,10 +53,10 @@ dynamic = ['version']
 "Source Code" = "https://github.com/brainpy/BrainPy"
 
 [project.optional-dependencies]
-cpu = ["jax[cpu]"]
-cuda12 = ["jax[cuda12]"]
-cuda13 = ["jax[cuda13]"]
-tpu = ["jax[tpu]"]
+cpu = ["jax[cpu]", 'brainevent[cpu]']
+cuda12 = ["jax[cuda12]", 'brainevent[cuda12]']
+cuda13 = ["jax[cuda13]", 'brainevent[cuda13]']
+tpu = ["jax[tpu]", 'brainevent[tpu]']
 
 [tool.setuptools]
 package-dir = { "" = "." }