Added title and action buttons to Project view page (#13437)

* Added title and action buttons to Project view page

* Changed octicon for project close action

* Fix indentation in templates/repo/projects/view.tmpl

Co-authored-by: zeripath <art27@cantab.net>

* Fix indentation templates/repo/projects/view.tmpl (2nd)

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: zeripath <art27@cantab.net>

routers/repo/projects.go

@@ -291,6 +291,8 @@ func ViewProject(ctx *context.Context) {
 		return
 	}
 
+	project.RenderedContent = string(markdown.Render([]byte(project.Description), ctx.Repo.RepoLink, ctx.Repo.Repository.ComposeMetas()))
+
 	ctx.Data["CanWriteProjects"] = ctx.Repo.Permission.CanWrite(models.UnitTypeProjects)
 	ctx.Data["Project"] = project
 	ctx.Data["Boards"] = allBoards