Updated README to include installation, CLI usage

README.md

@@ -1,7 +1,40 @@
 # truthbrush
-API client for Truth Social
+Truthbrush is an API client for Truth Social. Truthbrush is built and maintained by the [Stanford Internet Observatory](https://io.stanford.edu). 
+
+Currently, this tool can: 
+
+* Search for users, statuses, or hashtags
+* Pull a user's followers
+* Pull users a given user follows 
+* Pull a user's statuses
+* Pull the list of "People to Follow" or suggested users
+* Pull all "trending" hashtags
+* Pull all "trending" Truth posts
+* Pull all ads
+* Pull a user's metadata
+
+Truthbrush is designed for academic research, open source intelligence gathering, and data archival. It pulls all of the data from the publicly accessible API.
+
+
+
+## Installation
+
+Truthbrush is not yet available on PyPI. To install it, clone the repository and run `pip install .`. Provided your `pip` is setup correctly, this will make `truthbrush` available both as a command and as a Python package. **Note that Truthbrush requires Python 3.8 or higher.**
+
+After installation, you will need to set your Truth Social username and password as environmental variables. 
+
+`EXPORT TRUTHSOCIAL_USERNAME=foo`
+`EXPORT TRUTHSOCIAL_PASSWORD=bar`
+
+## CLI Usage
 
 ```text
+Usage: truthsocial [OPTIONS] COMMAND [ARGS]...
+
+Options:
+ --help Show this message and exit.
+
+
 Commands:
  followers Pull a user's followers.
  following Pull users a given user follows.
@@ -12,4 +45,61 @@ Commands:
  trends Pull trendy Truths.
  ads Pull ads.
  user Pull a user's metadata.
+``````
+
+**Pull all a user's followers**
+
+```bash
+truthbrush followers HANDLE
+```
+
+**Pull all users a given user followers**
+
+```bash
+truthbrush following HANDLE
+```
+
+**Search for users, statuses, or hashtags**
+
+```bash
+truthbrush search
+```
+
+
+**Pull all statuses (posts) from a user**
+
+```bash
+truthbrush statuses HANDLE
+```
+
+**Pull all "People to Follow" (suggested) users**
+
+```bash
+truthbrush suggestions
+```
+**Pull all trendy tags**
+
+```bash
+truthbrush tags
 ```
+**Pull all ads**
+
+```bash
+truthbrush ads
+```
+
+**Pull all of a user's metadata**
+
+```bash
+truthbrush user HANDLE
+```
+
+## Contributing
+
+Contributions are encouraged! For small bug fixes and minor improvements, feel free to just open a PR. For larger changes, please open an issue first so that other contributors can discuss your plan, avoid duplicated work, and ensure it aligns with the goals of the project. Be sure to also follow the [code of conduct](CODE_OF_CONDUCT.md). Thanks!
+
+## Wishlist
+
+Support for the following capabilities is planned:
+
+- ...nothing right now! (Got an idea? Submit an issue/PR!)