Provide raw path params support to runtime/client

[heww]

Can you provide raw path params support to runtime/client so that the following paths for client request works.

paths:
  '/repositories/{repo_name}/tags':
    get:
      summary: Get tags of a relevant repository.
      tags:
        - repository
      operationId: listRepositoryTags
      parameters:
        - name: repo_name
          in: path
          type: string
          required: true
          description: Relevant repository name.
      responses:
        '200':
          description: Get tags successfully.
          schema:
            type: array
            items:
              $ref: '#/definitions/DetailedTag'

params := repository.ListRepositoryTagsParams{
    RepoName: "library/ubuntu",
}

resp, err := h.Repository.ListRepositoryTags(ctx, &params)

current repo_name library/ubuntu will request to the API /repositories/library%2Fubuntu/tags but the expect API is /repositories/library/ubuntu/tags

[fredbi]

Although the escaping behavior is not strictly part of the swagger 2 spec,
there is some consensus on escaping.
Letting raw content creates more problems than it solves.

See swagger-api/swagger-editor#1254

[alswl]

Maybe provide a simple flags map, that indicates the pathPrams should using raw content?