Handle GET request for all filters

{
  "type": "object",
  "description": "FiltersAPIResponse response retruned by filterfile endpoint on meshery server",
  "properties": {
    "filters": {
      "type": "array",
      "items": {
        "type": "object",
        "description": "MesheryFilter represents the filters that needs to be saved",
        "properties": {
          "created_at": {
            "type": "string",
            "format": "date-time"
          },
          "filter_file": {
            "type": "string"
          },
          "id": {
            "type": "array",
            "items": {
              "type": "integer",
              "format": "uint8"
            }
          },
          "location": {
            "type": "object",
            "description": "It implements native SQL driver interfaces and hence can\nbe used for SQL json or jsonb types as a drop in replacement\nof golang native maps"
          },
          "name": {
            "type": "string"
          },
          "updated_at": {
            "type": "string",
            "format": "date-time"
          },
          "user_id": {
            "type": "string",
            "description": "Meshery doesn't have the user id fields\nbut the remote provider is allowed to provide one"
          }
        }
      }
    },
    "page": {
      "type": "integer",
      "format": "uint64"
    },
    "page_size": {
      "type": "integer",
      "format": "uint64"
    },
    "total_count": {
      "type": "integer",
      "format": "uint64"
    }
  }
}