feat(.envrc): add project setup and activation script

.envrc

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+export PYTHON_KEYRING_BACKEND="keyring.backends.null.Keyring"
+export PROJECT_NAME="course-template"
+PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+export PROJECT_ROOT
+VIRTUAL_ENV="${WORKON_HOME}/${PROJECT_NAME}"
+if [ -e "${VIRTUAL_ENV}/bin/activate" ]; then
+    # shellcheck disable=SC1091
+    source "${VIRTUAL_ENV}/bin/activate"
+else
+    python3 -m venv "${VIRTUAL_ENV}"
+    # shellcheck disable=SC1091
+    source "${VIRTUAL_ENV}/bin/activate"
+    pip install --upgrade pip setuptools wheel
+fi