fix: update index docs and dependencies

Author: kalombos

docs/index.rst

@@ -39,13 +39,13 @@ For PostgreSQL:
 
 .. code-block:: console
 
-    pip install peewee-async aiopg
+    pip install peewee-async[postgresql]
 
 For MySQL:
 
 .. code-block:: console
 
-    pip install peewee-async aiomysql
+    pip install peewee-async[mysql]
 
 Install from sources
 ++++++++++++++++++++
@@ -54,7 +54,7 @@ Install from sources
 
     git clone https://github.com/05bit/peewee-async.git
     cd peewee-async
-    python setup.py install
+    pip install .
 
 Running tests
 +++++++++++++

docs/peewee_async/examples.rst

@@ -88,5 +88,5 @@ The complete working example is provided below. And here are some general notes:
 
   **Also note:** if you spawn an extra task during a transaction, it will run outside of that transaction.
 
-.. literalinclude:: ../../examples/tornado_sample.py
+.. literalinclude:: ../samples/tornado_sample.py
   :start-after: # Start example

examples/tornado_sample.py renamed to docs/samples/tornado_sample.py

@@ -1,11 +1,3 @@
-fastapi==0.111.0
-uvicorn==0.29.0
-tornado==6.4
-aiohttp==3.9.5
-gunicorn==22.0.0
-
-aiopg~=1.4.0
-aiomysql~=0.2.0
-
-peewee~=3.17.3
-# peewee-async~=0.10.0
+aiohttp
+gunicorn
+peewee-async[postgresql]

examples/requirements.txt

@@ -1,2 +1,2 @@
-fastapi==0.110.0
-uvicorn==0.29.0
+fastapi
+uvicorn