chore: refresh .env.example and fix .gitignore trailing newline

.env.example

@@ -1,21 +1,49 @@
 # DO NOT DEFINE PRODUCTION SECRETS IN THIS FILE NOR IN ANY OTHER COMMITTED FILES.
 #
-# Create .env file using this file as a template.
+# Create a .env file using this file as a template.
 # Define all your variables for local development as described below.
-# 
+#
 # - Use environment variables with prefix "AWS_" to give access to your test AWS account.
 # - Use environment variables with prefix "INPUT_" to simulate GitHub Actions input.
-# - Use GITHUB_REPOSITORY environment variable to provide the GitHub repository and it's owher as a context in the script. Use formst "owner/repo".
+#   Each maps to an action.yml input: INPUT_<NAME>, upper-cased.
+# - Use the GITHUB_REPOSITORY environment variable to provide the GitHub repository
+#   and its owner as context for the script. Use the format "owner/repo".
 
+# --- AWS credentials (test account) ---
 AWS_ACCESS_KEY_ID=
 AWS_SECRET_ACCESS_KEY=
 AWS_REGION=
+
+# --- GitHub context ---
+GITHUB_REPOSITORY=
+
+# --- Action inputs (mirror of action.yml) ---
+
+# Required in every mode.
 INPUT_MODE=
 INPUT_GITHUB-TOKEN=
-INPUT_EC2-IMAGE-ID=
+
+# Required for 'start' mode.
 INPUT_EC2-INSTANCE-TYPE=
 INPUT_SUBNET-ID=
 INPUT_SECURITY-GROUP-ID=
+# Provide an explicit AMI id...
+INPUT_EC2-IMAGE-ID=
+# ...or a stringified JSON array of filters to look one up, optionally scoped by owner.
+INPUT_EC2-IMAGE-FILTERS=
+INPUT_EC2-IMAGE-OWNER=
+
+# Required for 'stop' mode.
 INPUT_LABEL=
 INPUT_EC2-INSTANCE-ID=
-GITHUB_REPOSITORY=
+
+# Optional.
+INPUT_EIP-ALLOCATION-ID=
+INPUT_IAM-ROLE-NAME=
+INPUT_RUNNER-VERSION=
+INPUT_ENCRYPT-EBS=
+INPUT_HTTP-TOKENS=
+INPUT_DEBUG=
+# Stringified JSON array of AWS Tag objects. Must be valid JSON when set
+# (config.js parses it unconditionally); use [] for "no tags" locally.
+INPUT_AWS-RESOURCE-TAGS=[]

.gitignore

@@ -1,2 +1,2 @@
 node_modules
-.env
+.env