Add Go file icon (#7110)

![IMG_4664](https://github.com/zed-industries/zed/assets/8725798/75436116-7c7e-4ae6-b76c-13f21c52bee8)

Release Notes:

- Added icon to `.go` files

assets/icons/file_icons/file_types.json

@@ -39,7 +39,7 @@
         "gitignore": "vcs",
         "gitmodules": "vcs",
         "gitkeep": "vcs",
-        "go": "code",
+        "go": "go",
         "h": "code",
         "handlebars": "code",
         "hbs": "template",
@@ -156,6 +156,9 @@
         "haskell": {
             "icon": "icons/file_icons/haskell.svg"
         },
+        "go": {
+            "icon": "icons/file_icons/go.svg"
+        },
         "image": {
             "icon": "icons/file_icons/image.svg"
         },

assets/icons/file_icons/go.svg

@@ -0,0 +1 @@
+<svg height="14" viewBox="0 0 207 78" width="14" xmlns="http://www.w3.org/2000/svg"><g fill="#000000"><path d="m16.2 24.1c-.4 0-.5-.2-.3-.5l2.1-2.7c.2-.3.7-.5 1.1-.5h35.7c.4 0 .5.3.3.6l-1.7 2.6c-.2.3-.7.6-1 .6z"/><path d="m1.1 33.3c-.4 0-.5-.2-.3-.5l2.1-2.7c.2-.3.7-.5 1.1-.5h45.6c.4 0 .6.3.5.6l-.8 2.4c-.1.4-.5.6-.9.6z"/><path d="m25.3 42.5c-.4 0-.5-.3-.3-.6l1.4-2.5c.2-.3.6-.6 1-.6h20c.4 0 .6.3.6.7l-.2 2.4c0 .4-.4.7-.7.7z"/><g transform="translate(55)"><path d="m74.1 22.3c-6.3 1.6-10.6 2.8-16.8 4.4-1.5.4-1.6.5-2.9-1-1.5-1.7-2.6-2.8-4.7-3.8-6.3-3.1-12.4-2.2-18.1 1.5-6.8 4.4-10.3 10.9-10.2 19 .1 8 5.6 14.6 13.5 15.7 6.8.9 12.5-1.5 17-6.6.9-1.1 1.7-2.3 2.7-3.7-3.6 0-8.1 0-19.3 0-2.1 0-2.6-1.3-1.9-3 1.3-3.1 3.7-8.3 5.1-10.9.3-.6 1-1.6 2.5-1.6h36.4c-.2 2.7-.2 5.4-.6 8.1-1.1 7.2-3.8 13.8-8.2 19.6-7.2 9.5-16.6 15.4-28.5 17-9.8 1.3-18.9-.6-26.9-6.6-7.4-5.6-11.6-13-12.7-22.2-1.3-10.9 1.9-20.7 8.5-29.3 7.1-9.3 16.5-15.2 28-17.3 9.4-1.7 18.4-.6 26.5 4.9 5.3 3.5 9.1 8.3 11.6 14.1.6.9.2 1.4-1 1.7z"/><path d="m107.2 77.6c-9.1-.2-17.4-2.8-24.4-8.8-5.9-5.1-9.6-11.6-10.8-19.3-1.8-11.3 1.3-21.3 8.1-30.2 7.3-9.6 16.1-14.6 28-16.7 10.2-1.8 19.8-.8 28.5 5.1 7.9 5.4 12.8 12.7 14.1 22.3 1.7 13.5-2.2 24.5-11.5 33.9-6.6 6.7-14.7 10.9-24 12.8-2.7.5-5.4.6-8 .9zm23.8-40.4c-.1-1.3-.1-2.3-.3-3.3-1.8-9.9-10.9-15.5-20.4-13.3-9.3 2.1-15.3 8-17.5 17.4-1.8 7.8 2 15.7 9.2 18.9 5.5 2.4 11 2.1 16.3-.6 7.9-4.1 12.2-10.5 12.7-19.1z" fill-rule="nonzero"/></g></g></svg>