feat(rust): add rust profile

flake.lock

@@ -1216,6 +1216,27 @@
         "type": "github"
       }
     },
+    "fenix_2": {
+      "inputs": {
+        "nixpkgs": [
+          "nixos"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src_2"
+      },
+      "locked": {
+        "lastModified": 1659421644,
+        "narHash": "sha256-b7M9YxF2C1CClvbS5NMjheiyLF8KzX03eiVfYtXbVEw=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "862c23b3607d13166ef7493c7dc0995b1771a583",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -1939,6 +1960,7 @@
         "bud": "bud",
         "deploy": "deploy",
         "digga": "digga",
+        "fenix": "fenix_2",
         "fork": "fork",
         "hlissner-dotfiles": "hlissner-dotfiles",
         "home": "home",
@@ -1970,6 +1992,23 @@
         "type": "github"
       }
     },
+    "rust-analyzer-src_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1659363473,
+        "narHash": "sha256-uamnlKqr5eReaefkoo7/ki05ZvIlJFwdFNM4znNhUqY=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "8e38833c3674c1be7d81c6069c62e6ed52b18b27",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
     "stable": {
       "locked": {
         "lastModified": 1655729248,