updated readme with more info about dev

.gitignore

@@ -23,5 +23,6 @@ erl_crash.dump
 pg_ranges-*.tar
 
 # other stuff
-/.elixir_ls/
-/.vscode/
+.devcontainer
+.elixir_ls
+.vscode

CHANGELOG.md

@@ -1,6 +1,6 @@
 # ChangeLog
 
-## v1.x.x
+## v1.1.1
 
 - Updated configuration to use the `Config` module (@jcomellas)
 - Modified test supervisor child spec to use current scheme (@jcomellas)

CONTRIBUTORS.md

@@ -5,3 +5,4 @@ Original Author:
 
 Major Code Contributors:
 - @rparcus
+- @jcomellas

README.md

@@ -56,3 +56,78 @@ def deps do
   ]
 end
 ```
+
+## Dev Setup
+
+While trying to not be prescriptive about how to work on this package, I
+recommend using [VSCode](https://code.visualstudio.com) with the 
+[Dev Containers](https://marketplace.visualstudio.com/items?itemName=ms-vscode-remote.remote-containers)
+and [ElixirLS](https://marketplace.visualstudio.com/items?itemName=JakeBecker.elixir-ls)
+extensions. The `.gitignore` file ignores `.devcontainer/` and `.vscode/`
+directories, so feel free to use whatever you deem necessary.
+
+<details>
+<summary>Basic Dev Container Setup</summary>
+
+**.devcontainer/Dockerfile**:
+
+```dockerfile
+FROM elixir:1.16
+WORKDIR /workspace
+```
+
+**.devcontainer/docker-compose.yaml**:
+
+```yaml
+version: '3'
+services:
+  db:
+    image: postgres
+    restart: unless-stopped
+    environment:
+    - POSTGRES_USER=pgranges
+    - POSTGRES_PASSWORD=pgranges
+  code:
+    build:
+      context: ..
+      dockerfile: .devcontainer/Dockerfile
+    command: sleep infinity
+    volumes:
+    - ..:/workspace:cached
+    depends_on:
+    - db
+```
+
+**.devcontainer/devcontainer.json**:
+
+```json
+{
+  "name": "pg_range",
+  "dockerComposeFile": "docker-compose.yaml",
+  "service": "code",
+  "workspaceFolder": "/workspace"
+}
+```
+
+</details>
+
+### Running the Tests
+
+<details>
+<summary>Local Only (Not in a Dev Container)</summary>
+
+First, you'll need a locally running Postgres server. The easiest way to do this
+is using Docker:
+
+```shell
+$ docker pull postgres
+$ docker run -p 5432:5432 -e POSTGRES_USER=pgranges -e POSTGRES_PASSWORD=pgranges postgres
+```
+
+</details>
+
+To run the tests:
+
+```shell
+$ mix test
+```