Finalize Dockerfile move; unfortunately not supported by Docker Hub

Unfortunately because of this issue
https://github.com/docker/hub-feedback/issues/292

Docker Hub effectively automatically changes directory to the location
of Dockerfile, meaning needed files are not in the right places, so
this has to be reverted.

.docker/main.docker

@@ -51,4 +51,4 @@ WORKDIR /home/docker
 
 # Must use array form of ENTRYPOINT
 # Non-array form does not append other arguments, because that is "intuitive"
-ENTRYPOINT ["/application/docker-wrapper.sh"]
+ENTRYPOINT ["/application/.docker/docker-wrapper.sh"]

.docker/polyglot.docker

@@ -16,4 +16,4 @@ USER docker
 
 # Must use array form of ENTRYPOINT
 # Non-array form does not append other arguments, because that is "intuitive"
-ENTRYPOINT ["/application/docker-wrapper.sh"]
+ENTRYPOINT ["/application/.docker/docker-wrapper.sh"]

.docker/tess4.docker

@@ -61,4 +61,4 @@ WORKDIR /home/docker
 
 # Must use array form of ENTRYPOINT
 # Non-array form does not append other arguments, because that is "intuitive"
-ENTRYPOINT ["/application/docker-wrapper.sh"]
+ENTRYPOINT ["/application/.docker/docker-wrapper.sh"]

MANIFEST.in

@@ -7,9 +7,11 @@ include dev_requirements.txt
 include .git_archival.txt
 
 # docker
-include Dockerfile
-include Dockerfile.polyglot
 include .dockerignore
+include .docker/main.docker
+include .docker/polyglot.docker
+include .docker/tess4.docker
+include .docker/docker-wrapper.sh
 
 # tests
 include pytest.ini
@@ -43,6 +45,6 @@ exclude tasks.py
 recursive-include ocrmypdf *.py
 exclude ocrmypdf/lib/_leptonica.py
 include OCRmyPDF.sh
-include docker-wrapper.sh
+