feat: implement .env (secrets) loader

load_secrets.sh

@@ -0,0 +1,23 @@
+# Get all config files
+# FILES=$(find . -type f \      # Only files
+#   -wholename "./*/*" \        # Only in subdir
+#   -not -wholename "./.git*" \ # Not in .git/
+#   -not -name "_*.sh" \        # Not _install.sh or _deploy.sh
+#   -not -name "README.md")     # Not README.md
+
+FILES=$(find . -type f -wholename "./*/*" -not -wholename "./.git*" -not -name "_*.sh" -not -name "README.md")
+
+cat .env | grep ".=." > .env.tmp # Clean .env entries
+readarray -t SECRETS < .env.tmp # Get all .env entries
+rm .env.tmp # Clean tmp file
+
+for file in $FILES
+do
+  for secret in "${SECRETS[@]}"
+  do
+    KEY=$(echo $secret | grep -o "\w\+")
+    VALUE=$(echo $secret | grep -oP '\w+\s*=\s*\K.*' | tr -d "\r")
+    
+    sed -r "s/\{\{\s*$KEY\s*\}\}/$VALUE/g" $file
+  done
+done