add tags handling

etc/openapi.json

                         }
                     }
                 }
+            },
+            "tags": {
+                "description": "Tag object",
+                "type": "object",
+                "properties": {
+                    "id": {
+                        "type": "string"
+                    },
+                    "name": {
+                        "type": "string"
+                    },
+                    "color": {
+                        "type": "string"
+                    }
+                }
+            },
+            "tagslist": {
+                "description": "array of tag objects",
+                "type": "array",
+                "items": {
+                    "$ref": "#/components/schemas/tags"
+                }
             }
         },
         "parameters": {},
         }
     ],
     "paths": {
+        "/tags": {
+            "get": {
+                "description": "Get tags list",
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "$ref": "#/components/schemas/tagslist"
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        "/tags/{tagId}": {
+            "patch": {
+                "description": "Update a tag",
+                "parameters": [
+                    {
+                        "name": "tagId",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    }
+                }
+            },
+            "delete": {
+                "description": "Delete a tag",
+                "parameters": [
+                    {
+                        "name": "tagId",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    }
+                }
+            }
+        },
         "/documents": {
             "post": {
                 "summary": "Create a new document",

www/index.html

         <!-- Tags -->
         <div class="container d-none" id="autodoc_tab_tags">
           <h3>Manage Tags</h3>
-          <div class="row">
-            <h5>Add Tags</h5>
-          </div>
           <div class="row">
             <div class="col">
               <table class="table table-borderless">
                 <tbody>
                   <tr>
                     <td>
-                      <input type="text" placeholder="Tag name" class="autodoc_tag_text">
+                      <select class="custom-select autodoc_tag_list">
+                        <option>Choose tag to edit</option>
+                      </select>
+
+                      <input type="text" placeholder="Tag name" class="autodoc_tag_text d-none">
                     </td>
                     <td>
                       <div class="btn-group" role="group">
                           </span>
                         </button>
                       </div>
-                      <!--
-                      <a href="#" class="autodoc_tag_color badge badge-primary" data="primary">0</a>
-                      <a href="#" class="autodoc_tag_color badge badge-secondary" data="secondary">0</a>
-                      <a href="#" class="autodoc_tag_color badge badge-success" data="success">0</a>
-                      <a href="#" class="autodoc_tag_color badge badge-danger" data="danger">0</a>
-                      <a href="#" class="autodoc_tag_color badge badge-warning" data="warning">0</a>
-                      <a href="#" class="autodoc_tag_color badge badge-info" data="info">0</a>
-                      <a href="#" class="autodoc_tag_color badge badge-light" data="light">0</a>
-                      <a href="#" class="autodoc_tag_color badge badge-dark" data="dark">0</a>
-                      -->
                     </td>
                     <td>
                       <span id="autodoc_tag_result" class="badge badge-primary"></span>

www/js/autodoc.js

   openapi: "/v1",
   pageinit: {
     home: "page_load_home()",
-    upload: "page_load_upload()"
+    upload: "page_load_upload()",
+    tags: "page_load_tags()"
   },
   home: {
     width: 4,
   upload_status();
 }
 
+function page_load_tags() {
+  // update tag list
+  $.getJSON(
+    conf.openapi +
+    "/tags"
+  )
+}
+
 function document_load() {
   if (conf.home.curpage == 0) {
     $("#autodoc_home_body").html("");