Docker build push

- Pushed a docker image
- Changed some .env variables' names(check config.py)
- Fixed minioPopulator.py
- Added more NoneType checks for bot handlers

.dockerignore

@@ -0,0 +1,16 @@
+#.dockerignore
+# Gitea
+.gitea
+
+# Docker
+.dockerignore
+dockerfile
+compose.yaml
+compose.yml
+
+# Git
+.gitignore
+*.md
+example.env
+
+minioPopulator.py