add linter + renovate (#6)

### 📖 Summary

- add renovate json
- add linters:
  - Dockerfile
  - markdown
  - editorconfig

### 📑 Test Plan

✅ CI pipeline tests (Default)

### 💬 Details

_No response_

### 📚 Additional Notes

_No response_

Reviewed-on: #6

.editorconfig

@@ -1,14 +1,14 @@
-root = true
-
-[*]
-indent_style = space
-indent_size = 2
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-
-
-[*.go]
-indent_style = tab
-indent_size = 4
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+
+[*.go]
+indent_style = tab
+indent_size = 4