added new workflows for brew (#126)

* added new workflows for brew

* brew bundle install command updated

* optional param moved to description

---------

Co-authored-by: Aloke Desai <aloke@warp.dev>
Co-authored-by: elvis kahoro <elvis@warp.dev>

Author: 3 people

specs/brew/backup_installed_dependencies.yaml

@@ -0,0 +1,10 @@
+---
+name: Store / Backup all installed dependencies into Brewfile
+command: brew bundle dump
+tags:
+  - homebrew
+description: Write all installed casks/formulae/images/taps into a Brewfile in the current directory.
+source_url: "https://docs.brew.sh/Manpage"
+author: shivamkj
+author_url: "https://github.com/shivamkj"
+shells: []

specs/brew/install_all_dependencies.yaml

@@ -0,0 +1,10 @@
+---
+name: Install all dependencies from Brewfile
+command: brew bundle install
+tags:
+  - homebrew
+description: Install and upgrade (by default) all dependencies from the Brewfile. Optionally you can pass [--file={{file_location}}], Otherwise homebrew finds Brewfile from the current location.
+source_url: "https://docs.brew.sh/Manpage"
+author: shivamkj
+author_url: "https://github.com/shivamkj"
+shells: []