Install metabot into bindir (but keep python -m metabot functional).

Bump release version.

README.md

@@ -3,12 +3,11 @@ Modularized, multi-account bot.
 
 ## Quickstart
 ```
-virtualenv -ppython3 mymetabot
+python3 -m venv mymetabot
 cd mymetabot
-. bin/activate
+source bin/activate
 pip install metabot
-mkdir config
-python -m metabot
+metabot
 ```
 
 ## Plugins

docs/develop/modules.md

@@ -1,9 +1,9 @@
 ```shell
 MODULENAME=somethingcool
-virtualenv -ppython3 metabot.modules.${MODULENAME}
+python3 -m venv metabot.modules.${MODULENAME}
 cd metabot.modules.${MODULENAME}
-. bin/activate
-mkdir -p config metabot/modules
+source bin/activate
+mkdir -p metabot/modules
 for i in metabot metabot/modules; do
   echo "__import__('pkg_resources').declare_namespace(__name__)" > ${i}/__init__.py
 done
@@ -39,5 +39,5 @@ def moddispatch(ctx, msg, unused_modconf):
 def ${MODULENAME}(ctx, msg):
     msg.add('Your user id is %s!', ctx.user['id'])
 EOF
-python -m metabot
+metabot
 ```

docs/index.md

@@ -1,10 +1,9 @@
 title: Quickstart
 
 ```shell
-virtualenv -ppython3 mymetabot
+python3 -m venv mymetabot
 cd mymetabot
-. bin/activate
+source bin/activate
 pip install metabot
-mkdir config
-python -m metabot
+metabot
 ```

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = 'metabot'
-version = '0.3.19'
+version = '0.3.20'
 description = 'Modularized, multi-account bot.'
 readme = 'README.md'
 authors = [
@@ -23,6 +23,9 @@ dev = [
     'requests-mock',
 ]
 
+[project.scripts]
+metabot = 'metabot.__main__:main'
+
 [project.urls]
 Homepage = 'https://github.com/nmlorg/metabot'
 Issues = 'https://github.com/nmlorg/metabot/issues'