Move plone.api-install into venv, remove from .gitignore

Author: stevepiercy

.gitignore

@@ -11,8 +11,5 @@ docs/plone.api
 docs/plone.restapi
 docs/volto
 
-# created on first make command
-plone.api-install
-
 # editor files
 .vscode

Makefile

@@ -52,8 +52,8 @@ docs/plone.api:  ## Setup plone.api docs
 	@echo "Documentation of plone.api initialized."
 	@echo
 
-plone.api-install: docs/plone.api
-	touch plone.api-install
+venv/plone.api-install: docs/plone.api
+	touch venv/plone.api-install
 	venv/bin/pip install plone.api -c submodules/plone.api/constraints.txt
 	venv/bin/pip install --no-deps -e submodules/plone.api/"[test]"
 	@echo "plone.api installed."
@@ -74,7 +74,7 @@ docs/volto:  ## Setup Volto docs
 	@echo
 
 .PHONY: deps
-deps: venv/bin/python docs/volto docs/plone.restapi plone.api-install  ## Create Python virtual environment, install requirements, initialize or update the volto, plone.restapi, and plone.api submodules, create symlinks to the source files, and finally install plone.api.
+deps: venv/bin/python docs/volto docs/plone.restapi venv/plone.api-install  ## Create Python virtual environment, install requirements, initialize or update the volto, plone.restapi, and plone.api submodules, create symlinks to the source files, and finally install plone.api.
 
 .PHONY: html
 html: deps  ## Build html