Added tools folder

- Moved providers scrapper by @Teifun2 into tool folder
- Added code generator for avoid the use of env variables (wip)

tools/dns_challenge_update/code-gen/update.sh

@@ -0,0 +1,21 @@
+#/bin/bash
+
+repo_url="https://github.com/go-acme/lego"
+
+# Check if the folder "./lego" exists
+if [ -d "./lego" ]; then
+    # If the folder exists, change into it and perform a git pull
+    echo "Folder './lego' exists. Pulling updates..."
+    cd "./lego" || exit
+    git pull
+	cd ../
+else
+    # If the folder doesn't exist, clone the repository
+    echo "Folder './lego' does not exist. Cloning the repository..."
+    git clone "$repo_url" "./lego" || exit
+fi
+
+# Run the extract.go to get all the config from lego source code
+go run ./extract.go
+
+echo "Config generated"