create HassOS add-on repository.json file

Author: MichalKrasowski

repository.json

@@ -0,0 +1,11 @@
+{
+  "domain": "tech",
+  "name": "Tech Controllers",
+  "config_flow": true,
+  "documentation": "https://www.home-assistant.io/integrations/tech",
+  "requirements": ["tech"],
+  "dependencies": [],
+  "codeowners": [
+    "@mariusz.ostoja-swierczynski"
+  ]
+}