Update .env.example with application version and Docker image name examples

.env.example

@@ -1,7 +1,15 @@
+# The version of the application
+# This should match the version in your Dockerfile
+# Example: VERSION=0.0.1
+VERSION=0.0.1
+# The Docker image name
+# This should include the registry, repository, and tag
+# Example: IMAGE=gitea-http.taildb3494.ts.net/will/thechart:${VERSION}
+IMAGE=gitea-http.taildb3494.ts.net/will/thechart:${VERSION}
 # Src Path
 # The path to the source code directory
 # This should be relative to the location of this .env file
 # Example: SRC_PATH=./src
 SRC_PATH=./src
 # The IP address of your X server, e.g., 192.168.1.100
-DISPLAY_IP=
+DISPLAY_IP=