add brewfile

Brewfile

@@ -0,0 +1,4 @@
+cask_args appdir: '/Applications'
+
+brew "python"
+brew "pipenv"

Brewfile.lock.json

@@ -0,0 +1,40 @@
+{
+  "entries": {
+    "brew": {
+      "python": null,
+      "pipenv": {
+        "version": "2020.6.2",
+        "bottle": {
+          "cellar": ":any_skip_relocation",
+          "prefix": "/usr/local",
+          "files": {
+            "catalina": {
+              "url": "https://homebrew.bintray.com/bottles/pipenv-2020.6.2.catalina.bottle.tar.gz",
+              "sha256": "12257ab59085420c2ad08dbe12236d9393d814ed387e8ab8f6e7acb730635321"
+            },
+            "mojave": {
+              "url": "https://homebrew.bintray.com/bottles/pipenv-2020.6.2.mojave.bottle.tar.gz",
+              "sha256": "82bd72857a8cebceca3f6ea44140d7391ac1d94c84406c6a5ea51e5e87b88a66"
+            },
+            "high_sierra": {
+              "url": "https://homebrew.bintray.com/bottles/pipenv-2020.6.2.high_sierra.bottle.tar.gz",
+              "sha256": "792be77485b744b5891613c4bf02b6d5544ff1da65b6a02b7c3c59c540e007b5"
+            }
+          }
+        }
+      }
+    }
+  },
+  "system": {
+    "macos": {
+      "big_sur": {
+        "HOMEBREW_VERSION": "2.4.8",
+        "HOMEBREW_PREFIX": "/usr/local",
+        "Homebrew/homebrew-core": "50ac140e5e0eb624c18fb03f494e2e68e0c04367",
+        "CLT": "",
+        "Xcode": "12.0",
+        "macOS": "10.16"
+      }
+    }
+  }
+}