feat: Add Deepnote commands to view title bar and explorer context menu

Author: dinohamzic

package.json

@@ -717,6 +717,23 @@
             }
         ],
         "menus": {
+            "view/title": [
+                {
+                    "command": "deepnote.newProject",
+                    "when": "view == deepnoteExplorer",
+                    "group": "navigation@1"
+                },
+                {
+                    "command": "deepnote.importNotebook",
+                    "when": "view == deepnoteExplorer",
+                    "group": "navigation@2"
+                },
+                {
+                    "command": "deepnote.refreshExplorer",
+                    "when": "view == deepnoteExplorer",
+                    "group": "navigation@3"
+                }
+            ],
             "editor/context": [
                 {
                     "submenu": "editor.interactiveWindow.context",
@@ -937,6 +954,14 @@
                 }
             ],
             "explorer/context": [
+                {
+                    "command": "deepnote.newProject",
+                    "group": "Deepnote@1"
+                },
+                {
+                    "command": "deepnote.importNotebook",
+                    "group": "Deepnote@2"
+                },
                 {
                     "when": "resourceLangId == python && !notebookEditorFocused && isWorkspaceTrusted",
                     "command": "jupyter.runFileInteractive",