update dev readme and add job template

src/README.md

@@ -1,3 +1 @@
-To develop locally you need nix.
-
-`nix develop .` will get you into a nix shell with all required dependencies.
+To develop locally you need [devenv](https://devenv.sh/) .

src/data.yaml

@@ -1,4 +1,18 @@
 jobs:
+ # This is a template for new company
+ # - name: Name of the company
+ # website: https://example.com/
+ # jobs: https://example.com/jobs
+ # description: What does the company do? Short and concise.
+ # remote: (true|false) Does the company offer any remote jobs?
+ # speculative: (true|false) Are speculative applications possible?
+ # field:
+ # geo:
+ # - country: Country Name (see list below for spelling)
+ # lat: Latitude (see list below for format)
+ # long: Longitude
+ # review: either https://www.glassdoor.com/Reviews/company-E123456789.htm or https://www.kununu.com/de/company
+ # rating: 5.0 (check the rating on glassdoor or kununu)
  - name: Ducky
  website: https://www.ducky.eco/
  jobs: https://careers.ducky.eco/jobs