infra: boostrap script

.gitignore

@@ -12,4 +12,5 @@ dbm.*
 .DS_Store
 .vscode/
 .vscode/settings.json
-lib
+lib
+*.venv

.python-version

@@ -0,0 +1 @@
+3.8.2

script/bootstrap

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+pyenv install --skip-existing
+
+VENV="${PWD##*/}.venv"
+VENV=${VENV#-}
+python -m venv $VENV
+. $VENV/bin/activate
+python -m pip install -U pip wheel
+python -m pip install -r requirements.txt