update readme and requirements

Author: cs01

README.md

@@ -29,17 +29,12 @@ This is a
 
 ## Installation
 
-### Option 1
-Run pyxtermjs with no commitment in an ephemeral environment with [pipx](https://github.com/pipxproject/pip-app)
-```
-pipx run pyxtermjs  # install and run in ephemeral environment
-```
+Clone this repository, enter the `pyxtermjs` directory, then run:
 
-### Option 2
-Clone this repository, enter the `pyxtermjs` directory, create a virtual environment (`python3 -m venv venv`), activate it (`source venv/bin/activate`) then run
 ```
-pip install -r requirements.txt
-python -m pyxtermjs
+python3 -m venv venv  # must be python3.6+
+venv/bin/pip install -r requirements.txt
+venv/bin/python -m pyxtermjs
 ```
 
 ## Documentation

requirements.txt

@@ -1,12 +1,16 @@
-Click==7.0
-Flask==1.0.2
-Flask-SocketIO==3.3.1
-itsdangerous==1.1.0
-Jinja2==2.10
-MarkupSafe==1.1.1
-pkg-resources==0.0.0
-python-engineio==3.4.3
-python-socketio==3.1.2
-pyxtermjs==0.4.0.0
-six==1.12.0
-Werkzeug==0.14.1
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile
+#
+click==7.0                # via flask
+flask-socketio==3.3.1
+flask==1.0.2              # via flask-socketio
+itsdangerous==1.1.0       # via flask
+jinja2==2.10              # via flask
+markupsafe==1.1.1         # via jinja2
+python-engineio==3.4.3    # via python-socketio
+python-socketio==3.1.2    # via flask-socketio
+six==1.12.0               # via python-engineio, python-socketio
+werkzeug==0.14.1          # via flask