Add build instructions

Cargo.toml

@@ -24,7 +24,7 @@ experimental = ["esp-idf-svc/experimental"]
 [dependencies]
 esp-idf-svc = { version = "0.51", features = ["critical-section", "embassy-time-driver", "embassy-sync"] }
 esp-idf-hal = "0.45.2"
-aniker-gps = { path = "../aniker-gps" }
+aniker-gps = { git = "https://code.hackmarine.com/hackmarine/aniker-gps" }
 log = "0.4"
 
 [build-dependencies]

README.md

@@ -45,4 +45,8 @@
 | CS      | GPIO5     | Chip Select    |
 | BLK     | GPIO4     | Backlight      |
 
-*Note: GPIO pins are configurable in the software
+*Note: GPIO pins are configurable in the software
+
+# Build instructions
+
+`cargo build --release --target xtensa-esp32-espidf`