pipenv installation instructions

README.md

@@ -398,8 +398,16 @@ You will need the following things properly installed on your computer.
 
 * `git clone https://github.com/ExpDev07/coronavirus-tracker-api.git`
 * `cd coronavirus-tracker-api`
-* `pipenv shell`
-* `pipenv install`
+
+1. Make sure you have [`python3.8` installed and on your `PATH`](https://docs.python-guide.org/starting/installation/).
+2. [Install the `pipenv` dependency manager](https://pipenv.readthedocs.io/en/latest/install/#installing-pipenv)
+   *  with [pipx](https://pipxproject.github.io/pipx/) `$ pipx install pipenv`
+   * with [Homebrew/Linuxbrew](https://pipenv.readthedocs.io/en/latest/install/#homebrew-installation-of-pipenv) `$ brew install pipenv`
+   * with [pip/pip3 directly](https://pipenv.readthedocs.io/en/latest/install/#pragmatic-installation-of-pipenv) `$ pip install --user pipenv`
+3. Create virtual environment and install all dependencies `$ pipenv sync --dev`
+4. Activate/enter the virtual environment `$ pipenv shell`
+
+And don't despair if don't get the python setup working on the first try. No one did. Guido got pretty close... once. But that's another story. Good luck. 
 
 ## Running / Development
 
@@ -408,11 +416,31 @@ You will need the following things properly installed on your computer.
 
 ### Running Tests
 
-* `make test`
+```bash
+pipenv sync --dev
+pipenv shell
+make test
+```
 
 ### Linting
 
-* `make lint`
+```bash
+pipenv sync --dev
+pipenv shell
+make lint
+```
+
+### Formatting
+
+```bash
+pipenv run fmt
+```
+or
+```bash
+pipenv shell
+make fmt
+```
+
 
 ### Building