chore: add README

README.md

@@ -0,0 +1,38 @@
+# tz-snipe
+
+Cli tool to infer someone's country with a probability based on timezone info sources.
+
+> could've been a one off script but part of learning go
+
+## Usage
+
+Run it directly with go using one of the flags below.
+
+**By tz:**
+list countries in a specific timezone offset.
+
+```bash
+tz-snipe --tz +1000
+```
+
+**By github username:**
+get a user's location and time from their commit patches. for higher rate limits, export `GH_TOKEN`.
+
+```bash
+tz-snipe --github torvalds
+```
+
+**By time:**
+see where in the world it is currently a specific time.
+
+```bash
+tz-snipe --time 15:00
+```
+
+## Build
+
+build the binary to `./build/tz-snipe`:
+
+```bash
+make build
+```