update documentation

Author: spotzero

Cargo.lock

@@ -1,7 +1,12 @@
 [package]
 name = "prusacam"
-version = "0.1.0"
+version = "1.0.0"
 edition = "2021"
+license-file = "LICENSE.txt"
+description = "This is a simple daemon that periodically grabs images from local webcams and uploads them to Prusa Connect."
+homepage = "https://github.com/spotzero/prusacam"
+repository = "https://github.com/spotzero/prusacam"
+readme = "README.md"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

Cargo.toml

@@ -10,10 +10,13 @@ Support taking periodic captures from multiple webcams and uploading them to Pru
 
 Supports the connection of a switch or toggle the the Raspberry Pi GPIO to act and an enable/disable of camera uploading.
 
-Support connection of an LED on the Raspberry Pi GPIO to at as an indicator of whether images are being uploaded.
+Supports connection of an LED on the Raspberry Pi GPIO to at as an indicator of whether images are being uploaded.
+
+Supports switching the camera on and off with signals.
 
 Currently only supports Linux.
 
+
 ## Getting Started
 
 ### Building
@@ -81,6 +84,14 @@ The prusacam binary can just be executed as is.
 nohup ./prusacam &
 ```
 
+### Switching the camera on and off from the command line
+
+`prusacam` will listen for the signal USR1 to act as the camera toggle.
+
+Just run: `killall prusacam -USR1` or `kill $PID -USR1`
+
+When a physical switch is connected and setup, both switches act like a three-way switch.
+
 ## Authors
 
 David Pascoe-Deslauriers [@spotzero](https://github.com/spotzero)