docs: bring README.md in line with Standard Readme

README.md

@@ -1,6 +1,8 @@
 # dev-overview
 
-Developer map of the Verae Time × Zapier **NATS message fabric**: what was designed, what is actually running on NS1, how a Zapier timestamp job reaches `api.veraetime.net` (or the mock) and comes back, and what is still unwired.
+[![standard-readme compliant](https://img.shields.io/badge/readme%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/RichardLitt/standard-readme)
+
+Developer map of the Verae Time × Zapier **NATS message fabric**: what was designed, what is actually running on...
 
 **Forgejo:** https://git.georgelambert.org/marchon/dev-overview  
 **SSH:** `ssh://git@git.georgelambert.org:2223/marchon/dev-overview.git`  
@@ -29,3 +31,25 @@ nats://10.10.10.21:4222,nats://10.10.10.22:4222,nats://10.10.10.23:4222
 JetStream streams (replicas=3, file): `ZAPIER_JOBS`, `ZAPIER_EVENTS`, `ZAPIER_WEBHOOKS`, `ZAPIER_USAGE`, `VERAE_ARCHIVE`.
 
 Public token-gated **client** edge (not cluster routes): `nats://<token>@70.88.205.138:4222`, `wss://nats.zapier.georgelambert.org`. Do not put this in Zapier.
+
+## Install
+
+```sh
+git clone ssh://git@git.georgelambert.org:2223/marchon/dev-overview.git
+cd dev-overview
+```
+
+## Usage
+
+```sh
+# No single entrypoint is declared in this tree.
+ls
+```
+
+## Contributing
+
+Questions: open an issue at https://git.georgelambert.org/marchon/dev-overview/issues. Pull requests are accepted.
+
+## License
+
+UNLICENSED © George Lambert